Juvenile polyps of the colon and rectum.
D000236:Adenoma / Q000150:complications; D000293:Adolescent; D000328:Adult; D002648:Child; D003106:Colon / Q000473:pathology; D003108:Colonic Diseases; D006801:Humans; D007414:Intestinal Neoplasms / Q000150:complications; D007417:Intestinal Polyps / Q000150:complications / Q000175:diagnosis / Q000473:pathology / Q000601:surgery; D008297:Male; D008875:Middle Aged; D012002:Rectal Diseases; D012007:Rectum / Q000473:pathology; D012812:Sigmoidoscopy