Fiberscopic examination of colo-rectal diseases.
D003108:Colonic Diseases / Q000175:diagnosis*; D004724:Endoscopy; D005336:Fiber Optic Technology; D005471:Fluoroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011300:Preoperative Care; D012002:Rectal Diseases / Q000175:diagnosis*; D012812:Sigmoidoscopy