Carcinoma of the rectum; prognosis based on the distance of lesions from, or involvement of, the levator anti muscle, and involvement of the anal sphincters.
D001003:Anal Canal; D002277:Carcinoma; D012809:Colon, Sigmoid; D006801:Humans; D009132:Muscles; D011379:Prognosis; D012007:Rectum
CARCINOMA; RECTUM; SIGMOID