[Strategies of local recurrence after sphincter preserving for low rectal cancer].
Wan
De-sen
DS
D001003:Anal Canal / Q000601:surgery; D006801:Humans; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control*; D012004:Rectal Neoplasms / Q000473:pathology* / Q000601:surgery*