title: Carcinoma arising in a villous adenoma in a 19 year-old male with review of the literature.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology*; D000236:Adenoma / Q000473:pathology*; D000328:Adult; D006801:Humans; D007417:Intestinal Polyps / Q000473:pathology*; D008297:Male; D009361:Neoplasm Invasiveness; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D012004:Rectal Neoplasms / Q000473:pathology*