title: Villous tumors: a problematic colorectal neoplasm.
mesh_terms: D000230:Adenocarcinoma; D000236:Adenoma / Q000473:pathology; D000328:Adult; D000368:Aged; D003110:Colonic Neoplasms / Q000473:pathology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007417:Intestinal Polyps / Q000473:pathology; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000473:pathology