<?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>2565-005X</journal-id>
<journal-title><![CDATA[Gaceta mexicana de oncología]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. mex. oncol.]]></abbrev-journal-title>
<issn>2565-005X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Oncología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2565-005X2019000500009</article-id>
<article-id pub-id-type="doi">10.24875/j.gamo.19000141</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Sarcoma del estroma mamario. Reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Sarcoma of the mammary stroma. Case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escobar-Peralta]]></surname>
<given-names><![CDATA[Elizabeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bautista-Hernández]]></surname>
<given-names><![CDATA[María Y.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quezada-Bautista]]></surname>
<given-names><![CDATA[Abril A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General de México Unidad de Radioterapia ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Fundación de Cáncer de Mama Departamento de Radiooncología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>18</volume>
<fpage>47</fpage>
<lpage>51</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2565-005X2019000500009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2565-005X2019000500009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2565-005X2019000500009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se presenta el caso de una paciente de 29 años de edad, con tumoración en mama izquierda de crecimiento progresivo tratada quirúrgicamente. Por recurrencia local a los ocho meses se sometió a mastectomía simple y radioterapia adyuvante. El reporte histopatológico confirmó un sarcoma del estroma mamario de alto grado; desarrolló progresión intracraneal y pulmonar 2 meses después. Se revisa la literatura de este tumor maligno. El objetivo del tratamiento quirúrgico son los márgenes negativos; la radioterapia adyuvante puede considerarse de acuerdo con el tamaño y/o márgenes no óptimos. Se sugiere incluir a los pacientes en protocolos que permitan mejorar la supervivencia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract We report the case of a female patient 29 years old, with a tumor in the left breast of progressive growth, treated surgically. Due to local recurrence at eight months, she underwent simple mastectomy and adjuvant radiotherapy. The histopathological report confirmed a high-grade stromal sarcoma of the breast; she developed intracranial and pulmonary progression 2 months later. The literature of this malignant tumor is reviewed. The goal of surgical treatment are the negative margins; adjuvant radiotherapy can be considered according to size and/or non-optimal margins. It is suggested that patients be included in protocols to improve survival.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Sarcoma estromal]]></kwd>
<kwd lng="es"><![CDATA[Tumor phyllodes]]></kwd>
<kwd lng="es"><![CDATA[Mama]]></kwd>
<kwd lng="es"><![CDATA[Radioterapia]]></kwd>
<kwd lng="en"><![CDATA[Stromal sarcoma]]></kwd>
<kwd lng="en"><![CDATA[Phyllodes tumour]]></kwd>
<kwd lng="en"><![CDATA[Breast]]></kwd>
<kwd lng="en"><![CDATA[Radiotherapy]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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