Colo-rectal cancer, the prophylactic effect of polypectomy.
D003110:Colonic Neoplasms / Q000517:prevention & control*; D003111:Colonic Polyps / Q000473:pathology / Q000601:surgery*; D006801:Humans; D011230:Precancerous Conditions / Q000473:pathology / Q000601:surgery*; D012004:Rectal Neoplasms / Q000517:prevention & control*; D012306:Risk