title: Anus-preserving operation for low rectal and anal canal cancers.
authors.forename: A
authors.initials: A
authors.lastname: Shafik
mesh_terms: D001003:Anal Canal / Q000601:surgery; D003082:Colectomy / Q000379:methods*; D006801:Humans; D009364:Neoplasm Recurrence, Local; D009367:Neoplasm Staging; D012004:Rectal Neoplasms / Q000473:pathology / Q000601:surgery*; D016896:Treatment Outcome