<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2444-054X</journal-id>
<journal-title><![CDATA[Cirugía y cirujanos]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. cir.]]></abbrev-journal-title>
<issn>2444-054X</issn>
<publisher>
<publisher-name><![CDATA[Academia Mexicana de Cirugía A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-054X2026000200003</article-id>
<article-id pub-id-type="doi">10.24875/ciru.25000131</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Survival rates in elderly colorectal cancer patients: the impact of regional development levels]]></article-title>
<article-title xml:lang="es"><![CDATA[Tasas de supervivencia en pacientes ancianos con cáncer colorrectal: el impacto de los niveles de desarrollo regional]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Celikgun]]></surname>
<given-names><![CDATA[Serkan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Koc]]></surname>
<given-names><![CDATA[Tulay]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyhan Ucku]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Sivas Cumhuriyet Un&#305;versity Faculty of Medicine ]]></institution>
<addr-line><![CDATA[Izmir ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Sivas Cumhuriyet Un&#305;versity Faculty of Medicine ]]></institution>
<addr-line><![CDATA[Izmir ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Dokuz Eylul University Faculty of Medicine ]]></institution>
<addr-line><![CDATA[Izmir ]]></addr-line>
<country>Turkey</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2026</year>
</pub-date>
<volume>94</volume>
<numero>2</numero>
<fpage>121</fpage>
<lpage>130</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2026000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2026000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2026000200003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: This study aimed to evaluate 5-year survival rates and associated prognostic factors in colorectal cancer (CRC) patients aged 65 and older.  Method: This retrospective cohort study included patients aged 65 and older who were diagnosed with CRC and had completed a 5-year follow-up. Data were obtained from the Cancer Registry Database of the Sivas Health Directorate and the report of the Ministry of Industry and Technology, Türkiye.  Results: A total of 257 elderly patients were analyzed. The median age was 73 years, and 60.3% were male. Adenocarcinoma was the predominant histological subtype (95.7%), with 71.2% of tumors located in the colon. At diagnosis, 57.2% of patients had metastases, and 74.7% received treatment. The 1 and 5-year survival rates were 63.8% and 39.3%. Higher survival rates were observed among patients aged 65-79, females, and those residing in urban areas. Metastasis was the strongest predictor of poor survival, with only 11.6% of metastatic patients surviving beyond 5 years. Cox regression analysis identified metastasis and lack of treatment as the most significant predictors of reduced survival.  Conclusions: These findings highlight the critical need for early diagnosis and improved access to treatment in elderly CRC patients, particularly those at higher risk.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Evaluar las tasas de supervivencia a 5 años y los factores pronósticos en pacientes de 65 años o más con cáncer colorrectal.  Método: Este estudio de cohorte retrospectivo incluyó a pacientes de 65 años o más a los que se les había diagnosticado cáncer colorrectal y que habían completado un seguimiento de cinco años. Los datos se obtuvieron de la base de datos del Registro de Cáncer de la Dirección General de Salud de Sivas y del informe del Ministerio de Industria y Tecnología de Turquía.  Resultados: Se analizaron 257 pacientes ancianos, con una edad mediana de 73 años, de los cuales el 60.3% eran hombres. El adenocarcinoma fue el subtipo histológico predominante (95.7%) y el 71.2% de los tumores estaban localizados en el colon. En el momento del diagnóstico, el 57.2% presentaban metástasis, y el 74.7% recibieron tratamiento. Las tasas de supervivencia a 1 y 5 años fueron del 63.8% y el 39.3%, respectivamente. Se observaron mayores tasas de supervivencia en pacientes de 65 a 79 años, en mujeres y en quienes residían en áreas urbanas. La metástasis fue el predictor más fuerte de mal pronóstico. El análisis de regresión de Cox identificó la metástasis y la falta de tratamiento como los principales predictores de menor supervivencia.  Conclusiones: Estos hallazgos destacan la importancia del diagnóstico y el acceso al tratamiento en pacientes ancianos con cáncer colorrectal.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Elderly]]></kwd>
<kwd lng="en"><![CDATA[Colorectal cancers]]></kwd>
<kwd lng="en"><![CDATA[Survival rate]]></kwd>
<kwd lng="en"><![CDATA[Socioeconomic factors]]></kwd>
<kwd lng="es"><![CDATA[Ancianos]]></kwd>
<kwd lng="es"><![CDATA[Cáncer colorrectal]]></kwd>
<kwd lng="es"><![CDATA[Tasa de supervivencia]]></kwd>
<kwd lng="es"><![CDATA[Factores socioeconómicos]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Estapé]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cancer in the elderly:challenges and barriers]]></article-title>
<source><![CDATA[Asia Pac J Oncol Nurs]]></source>
<year>2018</year>
<volume>5</volume>
<page-range>40-2</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sung]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Ferlay]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Siegel]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Laversanne]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Soerjomataram]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Jemal]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global cancer statistics 2020:GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries]]></article-title>
<source><![CDATA[CA Cancer J Clin]]></source>
<year>2021</year>
<volume>71</volume>
<page-range>209-49</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bray]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Ferlay]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Soerjomataram]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Siegel]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Torre]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Jemal]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global cancer statistics 2018:GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries]]></article-title>
<source><![CDATA[CA Cancer J Clin]]></source>
<year>2018</year>
<volume>68</volume>
<page-range>394-424</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="book">
<collab>International Agency for Research on Cancer (IARC)</collab>
<article-title xml:lang=""><![CDATA[Global Cancer Observatory:Today's Data Visualizations]]></article-title>
<source><![CDATA[]]></source>
<year></year>
<publisher-loc><![CDATA[Lyon ]]></publisher-loc>
<publisher-name><![CDATA[IARC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Siegel]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[KD]]></given-names>
</name>
<name>
<surname><![CDATA[Fuchs]]></surname>
<given-names><![CDATA[HE]]></given-names>
</name>
<name>
<surname><![CDATA[Jemal]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cancer statistics, 2022]]></article-title>
<source><![CDATA[CA Cancer J Clin]]></source>
<year>2022</year>
<volume>72</volume>
<page-range>7-33</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López-Basave]]></surname>
<given-names><![CDATA[HN]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Vázquez]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Miranda-Dévora]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Olmos-García]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Castañeda]]></surname>
<given-names><![CDATA[KF]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera-Mogollan]]></surname>
<given-names><![CDATA[LG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinicopathological features of colorectal cancer patients under 30 years of age]]></article-title>
<source><![CDATA[Cir Cir]]></source>
<year>2023</year>
<volume>91</volume>
<page-range>785-93</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arnold]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Sierra]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Laversanne]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Soerjomataram]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Jemal]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bray]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global patterns and trends in colorectal cancer incidence and mortality]]></article-title>
<source><![CDATA[Gut]]></source>
<year>2017</year>
<volume>66</volume>
<page-range>683-91</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dekker]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Tanis]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
<name>
<surname><![CDATA[Vleugels]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Kasi]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
<name>
<surname><![CDATA[Wallace]]></surname>
<given-names><![CDATA[MB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Colorectal cancer]]></article-title>
<source><![CDATA[Lancet]]></source>
<year>2019</year>
<volume>394</volume>
<page-range>1467-80</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Millan]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Merino]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Caro]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Feliu]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Escuder]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Francesch]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Treatment of colorectal cancer in the elderly]]></article-title>
<source><![CDATA[World J Gastrointest Oncol]]></source>
<year>2015</year>
<volume>7</volume>
<page-range>204-20</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Trelles]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Roca]]></surname>
<given-names><![CDATA[MP]]></given-names>
</name>
<name>
<surname><![CDATA[Sastre-Serra]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Florido]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Iyo]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Search for a clinical pattern for the prediction of pathological colonoscopy in patients participating in the first 2 rounds of the colorectal cancer early detection program of the hospital comarcal de Inca]]></article-title>
<source><![CDATA[Rev Calid Asist]]></source>
<year>2023</year>
<volume>38</volume>
<page-range>100-9</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of clinical efficacy of different colon anastomosis methods in laparoscopic radical resection of colorectal cancer]]></article-title>
<source><![CDATA[Cir Cir]]></source>
<year>2024</year>
<volume>92</volume>
<page-range>314-23</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Karao&#287;lan]]></surname>
<given-names><![CDATA[BB]]></given-names>
</name>
<name>
<surname><![CDATA[Akku&#351;E]]></surname>
</name>
<name>
<surname><![CDATA[Kayaalp]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Akyol]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Erkek]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
<name>
<surname><![CDATA[Akbulut]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Treatment approaches and survival outcomes in elderly colorectal cancer patients:a single-center comparative study]]></article-title>
<source><![CDATA[Clin Transl Oncol]]></source>
<year>2024</year>
<volume>27</volume>
<page-range>2292-306</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Lindsay]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Dotan]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Management of metastatic colorectal carcinoma in older adults:balancing risks and benefits of novel therapies]]></article-title>
<source><![CDATA[Drugs Aging]]></source>
<year>2021</year>
<volume>38</volume>
<page-range>639-54</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Küçüköner]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kaplan]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Inal]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Urakci]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Nas]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Isikdogan]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Colorectal cancers:12 year-results of a single center]]></article-title>
<source><![CDATA[J Clin Exp Invest]]></source>
<year>2013</year>
<volume>4</volume>
<page-range>208-12</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Siegel]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Wagle]]></surname>
<given-names><![CDATA[NS]]></given-names>
</name>
<name>
<surname><![CDATA[Cercek]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Jemal]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Colorectal cancer statistics, 2023]]></article-title>
<source><![CDATA[CA Cancer J Clin]]></source>
<year>2023</year>
<volume>73</volume>
<page-range>233-54</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dean]]></surname>
<given-names><![CDATA[AG]]></given-names>
</name>
<name>
<surname><![CDATA[Sullivan]]></surname>
<given-names><![CDATA[KM]]></given-names>
</name>
<name>
<surname><![CDATA[Soe]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
</person-group>
<source><![CDATA[OpenEpi:Open Source Epidemiologic Statistics for Public Health]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Y&#305;lmaz]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Acar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Kazanc&#305;k]]></surname>
<given-names><![CDATA[LB]]></given-names>
</name>
<name>
<surname><![CDATA[Gültekin]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Meydan]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
<name>
<surname><![CDATA[Özsan]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Research on Socio-Economic Development Rankings of Districts (SEGE-2017)]]></article-title>
<source><![CDATA[Ministry of Development Agencies Publication]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Joachim]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Godaert]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Dramé]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Véronique-Baudin]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Macni]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Smith-Ravin]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Overall survival in elderly patients with colorectal cancer:a population-based study in the Caribbean]]></article-title>
<source><![CDATA[Cancer Epidemiol]]></source>
<year>2017</year>
<volume>48</volume>
<page-range>85-91</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leong]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Ong]]></surname>
<given-names><![CDATA[SK]]></given-names>
</name>
<name>
<surname><![CDATA[Madli]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Tan]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Lai]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Basir]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Survival rates and associated factors of colorectal cancer patients in Brunei Darussalam]]></article-title>
<source><![CDATA[Asian Pac J Cancer Prev]]></source>
<year>2020</year>
<volume>21</volume>
<page-range>259-65</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Lima]]></surname>
<given-names><![CDATA[FC]]></given-names>
</name>
<name>
<surname><![CDATA[Caló]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Andrade]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[BD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Colorectal cancer survival in Greater Cuiabá, state of Mato Grosso, Brazil]]></article-title>
<source><![CDATA[Rev Bras Epidemiol]]></source>
<year>2023</year>
<volume>26</volume>
</nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soerjomataram]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Thong]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Ezzati]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Lamont]]></surname>
<given-names><![CDATA[EB]]></given-names>
</name>
<name>
<surname><![CDATA[Nusselder]]></surname>
<given-names><![CDATA[WJ]]></given-names>
</name>
<name>
<surname><![CDATA[Van De Poll-Franse]]></surname>
<given-names><![CDATA[LV]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Most colorectal cancer survivors live a large proportion of their remaining life in good health]]></article-title>
<source><![CDATA[Cancer Causes Control]]></source>
<year>2012</year>
<volume>23</volume>
<page-range>1421-8</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
<name>
<surname><![CDATA[Warner]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Ito]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Raoof]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[GX]]></given-names>
</name>
<name>
<surname><![CDATA[Kessler]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cytoreduction for colorectal metastases:liver, lung, peritoneum, lymph nodes, bone, brain]]></article-title>
<source><![CDATA[When does it palliate, prolong survival, and potentially cure?Curr Probl Surg]]></source>
<year>2018</year>
<volume>55</volume>
<page-range>330-79</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tian]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comorbidity and the risk of anastomotic leak in Chinese patients with colorectal cancer undergoing colorectal surgery]]></article-title>
<source><![CDATA[Int J Colorectal Dis]]></source>
<year>2017</year>
<volume>32</volume>
<page-range>947-53</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chatila]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Mansour]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Mugharbil]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Nsouli]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[O'Son]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Sayad]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Epidemiology and survival of colorectal cancer in Lebanon:a sub-national retrospective analysis]]></article-title>
<source><![CDATA[Cancer Control]]></source>
<year>2021</year>
<volume>28</volume>
<page-range>10732748211041221</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aguiar]]></surname>
<given-names><![CDATA[Junior S]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[DR]]></given-names>
</name>
<name>
<surname><![CDATA[Mello]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Calsavara]]></surname>
<given-names><![CDATA[VF]]></given-names>
</name>
<name>
<surname><![CDATA[Curado]]></surname>
<given-names><![CDATA[MP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Survival of patients with colorectal cancer in a cancer center]]></article-title>
<source><![CDATA[Arq Gastroenterol]]></source>
<year>2020</year>
<volume>57</volume>
<page-range>172-7</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="book">
<collab>American Cancer Society</collab>
<source><![CDATA[Surveillance Research]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Georgia ]]></publisher-loc>
<publisher-name><![CDATA[American Cancer Society]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Degu]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Karimi]]></surname>
<given-names><![CDATA[PN]]></given-names>
</name>
<name>
<surname><![CDATA[Opanga]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<name>
<surname><![CDATA[Nyamu]]></surname>
<given-names><![CDATA[DG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Survival outcomes among colorectal cancer patients at Kenyatta National Hospital:a retrospective cohort study]]></article-title>
<source><![CDATA[Cancer Rep (Hoboken)]]></source>
<year>2023</year>
<volume>6</volume>
</nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schiffmann]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Ozcan]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Schwarz]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Lange]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Prall]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Klar]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Colorectal cancer in the elderly:surgical treatment and long-term survival]]></article-title>
<source><![CDATA[Int J Colorectal Dis]]></source>
<year>2008</year>
<volume>23</volume>
<page-range>601-10</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<collab>GBD 2019 Colorectal Cancer Collaborators</collab>
<article-title xml:lang=""><![CDATA[Global, regional, and national burden of colorectal cancer and its risk factors, 1990-2019:a systematic analysis for the Global Burden of Disease Study 2019]]></article-title>
<source><![CDATA[Lancet Gastroenterol Hepatol]]></source>
<year>2022</year>
<volume>7</volume>
<page-range>627-47</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortiz-Ortiz]]></surname>
<given-names><![CDATA[KJ]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez-García]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz-Correa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ríos-González]]></surname>
<given-names><![CDATA[MY]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz]]></surname>
<given-names><![CDATA[AP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of type of health insurance coverage on colorectal cancer survival in Puerto Rico:a population-based study]]></article-title>
<source><![CDATA[PLoS One]]></source>
<year>2014</year>
<volume>9</volume>
</nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tamakoshi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Nakamura]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Ukawa]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Okada]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Hirata]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Nagai]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Erratum to “Characteristics and prognosis of Japanese colorectal cancer patients:the BioBank Japan Project”[J Epidemiol 27(3S) (2017) S36-S42]]></article-title>
<source><![CDATA[J Epidemiol]]></source>
<year>2017</year>
<volume>27</volume>
<page-range>398-9</page-range></nlm-citation>
</ref>
<ref id="B32">
<label>32</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Badic]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Bouvier]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Bouvier]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Morvan]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Jooste]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Alves]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Predictors of survival in elderly patients with metastatic colon cancer:a population-based cohort study]]></article-title>
<source><![CDATA[Cancers (Basel)]]></source>
<year>2022</year>
<volume>14</volume>
<page-range>5208</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ghazali]]></surname>
<given-names><![CDATA[AK]]></given-names>
</name>
<name>
<surname><![CDATA[Musa]]></surname>
<given-names><![CDATA[KI]]></given-names>
</name>
<name>
<surname><![CDATA[Naing]]></surname>
<given-names><![CDATA[NN]]></given-names>
</name>
<name>
<surname><![CDATA[Mahmood]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prognostic factors in patients with colorectal cancer at Hospital Universiti Sains Malaysia]]></article-title>
<source><![CDATA[Asian J Surg]]></source>
<year>2010</year>
<volume>33</volume>
<page-range>127-33</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>34</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Laohavinij]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Maneechavakajorn]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Techatanol]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prognostic factors for survival in colorectal cancer patients]]></article-title>
<source><![CDATA[J Med Assoc Thai]]></source>
<year>2010</year>
<volume>93</volume>
<page-range>1156-66</page-range></nlm-citation>
</ref>
<ref id="B35">
<label>35</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van]]></surname>
<given-names><![CDATA[Der Sijp MP]]></given-names>
</name>
<name>
<surname><![CDATA[Bastiaannet]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Mesker]]></surname>
<given-names><![CDATA[WE]]></given-names>
</name>
<name>
<surname><![CDATA[Van]]></surname>
<given-names><![CDATA[Der Geest LG]]></given-names>
</name>
<name>
<surname><![CDATA[Breugom]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Steup]]></surname>
<given-names><![CDATA[WH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Differences between colon and rectal cancer in complications, short-term survival and recurrences]]></article-title>
<source><![CDATA[Int J Colorectal Dis]]></source>
<year>2016</year>
<volume>31</volume>
<page-range>1683-91</page-range></nlm-citation>
</ref>
<ref id="B36">
<label>36</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Puts]]></surname>
<given-names><![CDATA[MT]]></given-names>
</name>
<name>
<surname><![CDATA[Tapscott]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Fitch]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Howell]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Monette]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Wan-Chow-Wah]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A systematic review of factors influencing older adults'decision to accept or decline cancer treatment]]></article-title>
<source><![CDATA[Cancer Treat Rev]]></source>
<year>2015</year>
<volume>41</volume>
<page-range>197-215</page-range></nlm-citation>
</ref>
<ref id="B37">
<label>37</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brain]]></surname>
<given-names><![CDATA[EG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Systemic therapy in older patients with high-risk disease]]></article-title>
<source><![CDATA[American Society of Clinical Oncology Educational Book]]></source>
<year>2023</year>
<publisher-loc><![CDATA[United States ]]></publisher-loc>
<publisher-name><![CDATA[American Society of Clinical Oncology]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B38">
<label>38</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dias]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Bezerra]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Barra]]></surname>
<given-names><![CDATA[WF]]></given-names>
</name>
<name>
<surname><![CDATA[Rego]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Refusal of medical treatment by older adults with cancer:a systematic review]]></article-title>
<source><![CDATA[Ann Palliat Med]]></source>
<year>2021</year>
<volume>10</volume>
<page-range>4868-77</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
