Anterior resection with double stapling device is now the gold standard after total mesorectal excision ,improving the rate of remaining original anus.

• 继全直肠系膜切除术概念诞生以来，直肠前切除术及双吻合术已经成为目前低位直肠癌治疗的标准术式，且大大提高了保肛率。