<?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>S2444-054X2022000300359</article-id>
<article-id pub-id-type="doi">10.24875/ciru.20001256</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Aplicación de una calculadora de riesgo quirúrgico en una cohorte de pacientes de cirugía hepática en Veracruz, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Application and validation of a surgical risk calculator in a liver surgery cohort of patients in Veracruz, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Mier]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Esquivel-Torres]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvarado-Arenas]]></surname>
<given-names><![CDATA[Rubén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno-Ley]]></surname>
<given-names><![CDATA[Pedro I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lajud-Barquín]]></surname>
<given-names><![CDATA[Francisco A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital de Especialidades 14 Adolfo Ruiz Cortines Unidad Médica de Alta Especialidad]]></institution>
<addr-line><![CDATA[Veracruz ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital de Especialidades 14 Adolfo Ruiz Cortines, IMSS Unidad Médica de Alta Especialidad Departamento de Investigación]]></institution>
<addr-line><![CDATA[Veracruz ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Regional de Alta Especialidad Departamento de Trasplantes ]]></institution>
<addr-line><![CDATA[Veracruz ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Servicios Estatales de Salud de Veracruz Hospital Regional de Alta Especialidad Departamento de Cirugía General]]></institution>
<addr-line><![CDATA[Veracruz ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital de Especialidades 14 Adolfo Ruiz Cortines Unidad Médica de Alta Especialidad]]></institution>
<addr-line><![CDATA[Veracruz ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>90</volume>
<numero>3</numero>
<fpage>359</fpage>
<lpage>364</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2022000300359&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2022000300359&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2022000300359&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Múltiples modelos han intentado predecir la morbilidad y mortalidad de las resecciones hepáticas (RH). Este estudio tiene por objetivo determinar la eficacia y validez de la calculadora de riesgo quirúrgico del American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) en una cohorte de pacientes sometidos a RH en Veracruz, México.  Material y métodos: Análisis retrospectivo de pacientes sometidos a RH entre 2005 y 2019. Se compararon los resultados observados con la media del riesgo previsto por la calculadora, mediante Curva ROC, score de Brier y prueba Z.  Resultados: Se evaluaron 67 pacientes, con 51.9 años de edad media, un 50.7% de sexo femenino. La mayoría de las resecciones (56.7%) fueron por patología maligna y el 62.1% fueron hepatectomías parciales. La morbilidad fue del 25.4% y la mortalidad del 4.5%. Hubo una predicción buena en las complicaciones (complicación seria, estadística: C: 0.725, score Brier: 0.26, p = 0.006 y cualquier complicación, estadística: C: 0.731, score Brier: 0.33, p = 0.005) y la mortalidad (estadística C: 0.922, score Brier: 0.005, p = 0.014).  Conclusiones: La aplicación de la calculadora ACS-NSQIP en pacientes sometidos a RH tiene buen poder de discriminación y buena habilidad predictiva. Predecir riesgos postoperatorios logra una adecuada planeación preoperatoria del procedimiento.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: Multiple models have tried to predict the morbidity and mortality of liver resections (HR). This study aims to determine the efficacy and validity of the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) surgical risk calculator in a cohort of patients undergoing HR in Veracruz, Mexico.  Material and methods: Retrospective analysis of patients undergoing HR between 2005 and 2019. To estimate the performance of the calculator, the observed results were compared with the average risk predicted by the calculator, using ROC curve, Brier score and Z test.  Results: 67 patients were evaluated, mean age 51.9 years of age, 50.7% female. The majority of resections (56.7%) were for malignancy and 62.1% were partial hepatectomies (up to 3 liver segments). The morbidity was 25.4% and the mortality 4.5%. There was a good prediction in the complications (serious complication: C = 0.725 statistic, Brier score 0.26, p = 0.006 and any statistical complication C = 0.731, Brier score 0.33, p = 0.005) and mortality (C = 0.922 statistic, Brier score 0.005, p = 0.014).  Conclusions: The application of the ACS-NSQIP calculator in patients undergoing HR has good discrimination power and good predictive ability. Prediction of postoperative risks achieves a preoperative planning of the appropriate procedure.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hepatectomía]]></kwd>
<kwd lng="es"><![CDATA[Calculadora de riesgo]]></kwd>
<kwd lng="es"><![CDATA[Morbilidad]]></kwd>
<kwd lng="es"><![CDATA[Mortalidad]]></kwd>
<kwd lng="es"><![CDATA[ACS-NSQIP]]></kwd>
<kwd lng="en"><![CDATA[Hepatectomy]]></kwd>
<kwd lng="en"><![CDATA[Risk calculator]]></kwd>
<kwd lng="en"><![CDATA[Morbidity]]></kwd>
<kwd lng="en"><![CDATA[Mortality]]></kwd>
<kwd lng="en"><![CDATA[ACS-NSQIP]]></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[Dokmak]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Fteriche]]></surname>
<given-names><![CDATA[FS]]></given-names>
</name>
<name>
<surname><![CDATA[Borscheid]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Cauchy]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Farges]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Belghiti]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[2012 Liver resections in the 21st century:we are far from zero mortality]]></article-title>
<source><![CDATA[HPB (Oxford)]]></source>
<year>2013</year>
<volume>15</volume>
<page-range>908-15</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[Filmann]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Walter]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Schadde]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Bruns]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Keck]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Lang]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mortality after liver surgery in Germany]]></article-title>
<source><![CDATA[Br J Surg]]></source>
<year>2019</year>
<volume>106</volume>
<page-range>1523-9</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[Lorenzo]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Limm]]></surname>
<given-names><![CDATA[WM]]></given-names>
</name>
<name>
<surname><![CDATA[Lurie]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[LL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factors affecting outcome in liver resection]]></article-title>
<source><![CDATA[HPB (Oxford)]]></source>
<year>2005</year>
<volume>7</volume>
<page-range>226-30</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mann]]></surname>
<given-names><![CDATA[CD]]></given-names>
</name>
<name>
<surname><![CDATA[Palser]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Briggs]]></surname>
<given-names><![CDATA[CD]]></given-names>
</name>
<name>
<surname><![CDATA[Cameron]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Rees]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Buckles]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A review of factors predicting perioperative death and early outcome in hepatopancreaticobiliary cancer surgery]]></article-title>
<source><![CDATA[HPB (Oxford)]]></source>
<year>2010</year>
<volume>12</volume>
<page-range>380-8</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martinez-Mier]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Esquivel-Torres]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarado-Arenas]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz-Bayliss]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
<name>
<surname><![CDATA[Lajud-Barquin]]></surname>
<given-names><![CDATA[FA]]></given-names>
</name>
<name>
<surname><![CDATA[Zilli-Hernandez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Liver resection morbidity, mortality, and risk factors at the departments of hepatobiliary surgery in Veracruz, Mexico]]></article-title>
<source><![CDATA[Rev Gastroenterol Mex]]></source>
<year>2016</year>
<volume>81</volume>
<page-range>195-201</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[Mansmann]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Rieger]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Strahwald]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Crispin]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risk calculators-methods, development, implementation, and validation]]></article-title>
<source><![CDATA[Int J Colorectal Dis]]></source>
<year>2016</year>
<volume>31</volume>
<page-range>1111-6</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[Bilimoria]]></surname>
<given-names><![CDATA[KY]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Paruch]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Kmiecik]]></surname>
<given-names><![CDATA[TE]]></given-names>
</name>
<name>
<surname><![CDATA[Ko]]></surname>
<given-names><![CDATA[CY]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Development and evaluation of the universal ACS-NSQIP surgical risk calculator:a decision aid and informed consent tool for patients and surgeons]]></article-title>
<source><![CDATA[J Am Coll Surg]]></source>
<year>2013</year>
<volume>217</volume>
<page-range>833-42. e1-3</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[Cologne]]></surname>
<given-names><![CDATA[KG]]></given-names>
</name>
<name>
<surname><![CDATA[Keller]]></surname>
<given-names><![CDATA[DS]]></given-names>
</name>
<name>
<surname><![CDATA[Liwanag]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Devaraj]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Senagore]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Use of the American College of Surgeons NSQIP Surgical Risk Calculator for laparoscopic colectomy:how good is it and how can we improve it?]]></article-title>
<source><![CDATA[J Am Coll Surg]]></source>
<year>2015</year>
<volume>220</volume>
<page-range>281-6</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[Rivard]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Nahum]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Slagle]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Duininck]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Isaksson Vogel]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Teoh]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of the performance of the ACS-NSQIP surgical risk calculator in gynecologic oncology patients undergoing laparotomy]]></article-title>
<source><![CDATA[Gynecol Oncol]]></source>
<year>2016</year>
<volume>141</volume>
<page-range>281-6</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[Pitt]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
<name>
<surname><![CDATA[Kilbane]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Strasberg]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Pawlik]]></surname>
<given-names><![CDATA[TM]]></given-names>
</name>
<name>
<surname><![CDATA[Dixon]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Zyromski]]></surname>
<given-names><![CDATA[NJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[ACS-NSQIP has the potential to create an HPB-NSQIP option]]></article-title>
<source><![CDATA[HPB (Oxford)]]></source>
<year>2009</year>
<volume>11</volume>
<page-range>405-13</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[Zaydfudim]]></surname>
<given-names><![CDATA[VM]]></given-names>
</name>
<name>
<surname><![CDATA[Kerwin]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Turrentine]]></surname>
<given-names><![CDATA[FE]]></given-names>
</name>
<name>
<surname><![CDATA[Bauer]]></surname>
<given-names><![CDATA[TW]]></given-names>
</name>
<name>
<surname><![CDATA[Adams]]></surname>
<given-names><![CDATA[RB]]></given-names>
</name>
<name>
<surname><![CDATA[Stukenborg]]></surname>
<given-names><![CDATA[GJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The impact of chronic liver disease on the risk assessment of ACS-NSQIP morbidity and mortality after hepatic resection]]></article-title>
<source><![CDATA[Surgery]]></source>
<year>2016</year>
<volume>159</volume>
<page-range>1308-15</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[Fruscione]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kirks]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Cochran]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Murphy]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Baker]]></surname>
<given-names><![CDATA[EH]]></given-names>
</name>
<name>
<surname><![CDATA[Martinie]]></surname>
<given-names><![CDATA[JB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Developing and validating a center-specific preoperative prediction calculator for risk of outcomes following major hepatectomy procedures]]></article-title>
<source><![CDATA[HPB (Oxford)]]></source>
<year>2018</year>
<volume>20</volume>
<page-range>721-8</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[Madhavan]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Shelat]]></surname>
<given-names><![CDATA[VG]]></given-names>
</name>
<name>
<surname><![CDATA[Soong]]></surname>
<given-names><![CDATA[SL]]></given-names>
</name>
<name>
<surname><![CDATA[Woon]]></surname>
<given-names><![CDATA[WWL]]></given-names>
</name>
<name>
<surname><![CDATA[Huey]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Chan]]></surname>
<given-names><![CDATA[YH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Predicting morbidity of liver resection]]></article-title>
<source><![CDATA[Langenbecks Arch Surg]]></source>
<year>2018</year>
<volume>403</volume>
<page-range>359-69</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[Sahara]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Paredes]]></surname>
<given-names><![CDATA[AZ]]></given-names>
</name>
<name>
<surname><![CDATA[Merath]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Tsilimigras]]></surname>
<given-names><![CDATA[DI]]></given-names>
</name>
<name>
<surname><![CDATA[Bagante]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Ratti]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of the ACS-NSQIP Surgical Risk Calculator in elderly patients undergoing hepatectomy for hepatocellular carcinoma]]></article-title>
<source><![CDATA[J Gastrointest Surg]]></source>
<year>2020</year>
<volume>24</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>551-9</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[Beal]]></surname>
<given-names><![CDATA[EW]]></given-names>
</name>
<name>
<surname><![CDATA[Lyon]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Kearney]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Wei]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Ethun]]></surname>
<given-names><![CDATA[CG]]></given-names>
</name>
<name>
<surname><![CDATA[Black]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluating the American College of Surgeons National Surgical Quality Improvement project risk calculator:results from the U.S. Extrahepatic Biliary Malignancy Consortium]]></article-title>
<source><![CDATA[HPB (Oxford)]]></source>
<year>2017</year>
<volume>19</volume>
<page-range>1104-11</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
