[Early cancer of the large intestine].
D000230:Adenocarcinoma / Q000000981:diagnostic imaging*; D000368:Aged; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012004:Rectal Neoplasms / Q000000981:diagnostic imaging*