Current trends in the epidemiology of cancer of the colon and rectum.
D000328:Adult; D000368:Aged; D003110:Colonic Neoplasms / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000453:epidemiology*