Juvenile colonic polyp.
D001466:Barium Sulfate; D002648:Child; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007417:Intestinal Polyps / Q000150:complications / Q000000981:diagnostic imaging* / Q000628:therapy; D011859:Radiography; D012812:Sigmoidoscopy
D001466:Barium Sulfate