Polyps of the colon and rectum; their incidence and relationship to carcinoma.
D000368:Aged; D003110:Colonic Neoplasms; D006801:Humans; D015994:Incidence; D011127:Polyps; D012004:Rectal Neoplasms; D012007:Rectum
COLON/neoplasms; POLYPI; RECTUM/neoplasms