Villous tumors of the rectum and sigmoid colon above the peritoneal reflection.
D012809:Colon, Sigmoid; D003110:Colonic Neoplasms; D006801:Humans; D009369:Neoplasms; D011127:Polyps; D012004:Rectal Neoplasms; D012007:Rectum
COLON/neoplasms; POLYPI; RECTUM/neoplasms