The problem with polyp photocoagulation.
D003110:Colonic Neoplasms / Q000601:surgery*; D005736:Gardner Syndrome / Q000601:surgery; D006801:Humans; D007417:Intestinal Polyps / Q000601:surgery*; D053685:Laser Therapy; D008028:Light Coagulation; D012004:Rectal Neoplasms / Q000601:surgery