title: Adenoacanthoma of the rectum: case report.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology*; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000473:pathology; D003110:Colonic Neoplasms / Q000473:pathology; D006801:Humans; D008297:Male; D012004:Rectal Neoplasms / Q000473:pathology*