title: Evaluation of sphincter-saving operations for cancer of the rectum and sigmoid.
mesh_terms: D006801:Humans; D009132:Muscles / Q000601:surgery*; D009362:Neoplasm Metastasis / Q000517:prevention & control; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control; D012004:Rectal Neoplasms / Q000601:surgery*; D012811:Sigmoid Neoplasms / Q000601:surgery*; D013514:Surgical Procedures, Operative / Q000401:mortality