title: Disadvantages of sphincter preserving operations for cancer of the rectum.
authors.forename: W C
authors.initials: WC
authors.lastname: ALVAREZ
mesh_terms: D001003:Anal Canal / Q000601:surgery*; D013505:Digestive System Surgical Procedures; D006801:Humans; D009369:Neoplasms; D012004:Rectal Neoplasms; D012007:Rectum