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< Atras La clasificación de los carcinomas se lleva a cabo de acuerdo al tamaño del tumor y el grado de penetración del mismo. Cuando el tumor es pequeño y no ha penetrado la capa mucosa se dice que es un cáncer en etapa I. Los tumores en etapa II se hallan dentro de la pared muscular y la etapa III afecta los ganglios linfáticos cercanos. Los cánceres en etapa IV son raros y se han diseminado (metástasis) a órganos lejanos.

• Fecha de revisión: 3/6/2007
• Versión en inglés revisada por: Updated by: A.D.A.M. Editorial Team: Greg Juhn, M.T.P.W., David R. Eltz, Kelli A. Stacy. Previously reviewed by Rita Nanda, M.D., Department of Medicine, Section of Hematology/Oncology, University of Chicago Medical Center, Chicago, IL. Review provided by VeriMed Healthcare Network. (October 31, 2006)
• Traducción y localización realizada por: DrTango, Inc.

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