Epidemiology and natural history of cancer of the colon.
D000328:Adult; D000368:Aged; D003110:Colonic Neoplasms / Q000175:diagnosis / Q000209:etiology* / Q000473:pathology / Q000628:therapy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011127:Polyps / Q000473:pathology; D013997:Time Factors