From the NIH: consensus group does not recommend mass screening for colorectal cancer; mortality reduction not shown.
D000328:Adult; D003110:Colonic Neoplasms / Q000401:mortality / Q000517:prevention & control*; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening; D009316:National Institutes of Health (U.S.); D012004:Rectal Neoplasms / Q000401:mortality / Q000517:prevention & control*; D014481:United States