<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032019000200115</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cáncer de mama: experiencia de 11 años en el Hospital Ángeles Mocel]]></article-title>
<article-title xml:lang="en"><![CDATA[Breast cancer: experience of 11 years in the Hospital Ángeles Mocel]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chávez González]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Vergara]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bieletto Trejo]]></surname>
<given-names><![CDATA[Olivia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad La Salle Facultad Mexicana de Medicina ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Ángeles Mocel División de Educación Médica ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Ángeles Mocel Servicio de Patología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>17</volume>
<numero>2</numero>
<fpage>115</fpage>
<lpage>118</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032019000200115&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032019000200115&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032019000200115&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  El cáncer de mama es hoy un problema de salud pública a nivel mundial. Se estima que 2.1 millones de mujeres son diagnosticadas al año, de las cuales fallecen 626,680 y se ha documentado una supervivencia a cinco años del 30-50% en países en vías de desarrollo.  Objetivo:  Dar a conocer un panorama detallado de los aspectos histopatológicos del cáncer de mama en un grupo de mujeres mexicanas del Hospital Ángeles Mocel.  Material y métodos:  Estudio descriptivo, observacional, retrospectivo y transversal en 549 mujeres mexicanas con diagnóstico de cáncer de mama corroborado por histopatología en el Hospital Ángeles Mocel durante el periodo de enero de 2006 a diciembre de 2016.  Resultados:  Se registró un aumento en la frecuencia de casos nuevos en el año 2013 siendo del 13.2% (73 casos) con una lateralidad del 51% en la mama derecha (280 casos). Edad promedio de presentación: 55.1 años, siendo el grupo más afectado el de 41-50. La frecuencia del carcinoma ductal infiltrante fue del 67.4% (379 casos), demostrando que el grado histológico moderadamente diferenciado o grado II es el más común dentro de los carcinomas ductales invasivos, presentándose en el 41.6% (158 casos).  Conclusiones:  Se identificó que en promedio se diagnostican 50 casos nuevos al año de cáncer de mama, siendo el año 2013 el de mayor número de casos registrados. La edad de presentación en las mujeres mexicanas aún es menor en comparación con los países desarrollados, siendo el tipo histológico más común el carcinoma ductal infiltrante.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Breast cancer still is a public health problem worldwide. It is estimated that 2.1 million women are diagnosed each year, of which 626,680 die with a five-year survival rate of 30-50% in developed countries.  Objective:  Present a detailed panorama of the histopathological aspects of breast cancer in a group of Mexican women at the Angeles Mocel Hospital.  Material and methods:  Descriptive, observational, retrospective and cross-sectional study in 549 Mexican women diagnosed with breast cancer corroborated by histopathology of the Angeles Mocel Hospital during the 2006-2016 period.  Results:  We recorded an increase in the frequency of new cases in 2013, being 13.2% (73 cases) with a laterality of 51% in the right breast (280 cases). Average age of presentation: 55.1 years, with the most affected group being 41-50. The frequency of infiltrating ductal carcinoma was 67.4% (379 cases), demonstrating that the moderately differentiated or grade II histological grade is the most common within invasive ductal carcinomas occurring in 41.6% (158 cases).  Conclusions:  It was identified that, on average, 50 new cases of breast cancer are diagnosed each year, 2013 being the year with the highest number of registered cases. The age of presentation in Mexican women is still lower compared to developed countries, with the most common histological type being infiltrating ductal carcinoma.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cáncer de mama]]></kwd>
<kwd lng="es"><![CDATA[histopatológico]]></kwd>
<kwd lng="es"><![CDATA[grados histológicos]]></kwd>
<kwd lng="en"><![CDATA[Breast cancer]]></kwd>
<kwd lng="en"><![CDATA[histopathological]]></kwd>
<kwd lng="en"><![CDATA[histological grades]]></kwd>
</kwd-group>
</article-meta>
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