title: Composite adenoma-small-cell undifferentiated carcinoma of the colon.
authors.forename: K T
authors.initials: KT
authors.lastname: Chen
mesh_terms: D000236:Adenoma / Q000473:pathology*; D000368:Aged; D000369:Aged, 80 and over; D002277:Carcinoma / Q000473:pathology*; D003110:Colonic Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans