Colon cancer.
D003110:Colonic Neoplasms / Q000175:diagnosis / Q000235:genetics / Q000517:prevention & control / Q000601:surgery; D003113:Colonoscopy; D004733:Enema; D006801:Humans; D008297:Male; D009367:Neoplasm Staging; D009780:Occult Blood; D012307:Risk Factors; D012812:Sigmoidoscopy