Comments on carcinoma of the colon and rectum.
D000367:Age Factors; D000368:Aged; D003110:Colonic Neoplasms / Q000453:epidemiology / Q000209:etiology / Q000628:therapy; D004032:Diet; D004504:Education, Medical, Undergraduate; D004787:Environmental Pollution; D005260:Female; D006266:Health Education; D006801:Humans; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000453:epidemiology* / Q000209:etiology / Q000628:therapy