"Preservation of the sphincter" operations in carcinoma of the rectum.
D001003:Anal Canal / Q000601:surgery*; D002277:Carcinoma; D013505:Digestive System Surgical Procedures; D006801:Humans; D009132:Muscles; D012004:Rectal Neoplasms; D012007:Rectum
ANUS/surgery; RECTUM/neoplasms