The importance of routine sigmoidoscopic examination in asymptomatic patients.
D000230:Adenocarcinoma / Q000175:diagnosis / Q000453:epidemiology; D000236:Adenoma / Q000175:diagnosis; D000328:Adult; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000453:epidemiology; D006801:Humans; D007417:Intestinal Polyps / Q000175:diagnosis / Q000453:epidemiology; D008910:Minnesota; D011379:Prognosis; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000453:epidemiology; D012812:Sigmoidoscopy; D014481:United States