Carcinoma of the rectum and colon in children: report of three cases.
D000230:Adenocarcinoma / Q000175:diagnosis* / Q000473:pathology; D000293:Adolescent; D002277:Carcinoma / Q000175:diagnosis*; D002648:Child; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology; D008297:Male; D010518:Periodontitis / Q000175:diagnosis; D011230:Precancerous Conditions; D011859:Radiography; D012004:Rectal Neoplasms / Q000175:diagnosis*