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¿Preguntas sobre el cáncer?
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1-800-422-6237
(1-800-4-CANCER)
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Llame de lunes a viernes de 9:00 a.m. a 4:30 p.m., hora local en Estados Unidos y sus territorios. |
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| Instrumento delgado con forma de tubo que se usa para examinar el interior del colon. Un sigmoidoscopio tiene una luz y una lente para observar, y puede tener una herramienta para extraer tejido. |
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