Objective: To evaluate the clinical application of single and double stapling technique for total mesorectal excision (TME) in anuspreserving operation of middle or low rectal cancer.

• 摘要目的：探讨单双吻合器吻合法联合全直肠系膜切除(TME)在低位直肠癌保肛手术中的应用价值。