我院1994年4月至1999年10月,采用Ｗｅｌｃｈ手术治疗直肠癌19例,并进行了吻合口的改进,未发生并发症。现介绍如下:1.手术方法:是在Ｗｅｌｃｈ手术的基础上,在缝合方法上做了改进:①将肿瘤切除后,其远切端结、直肠经肛门向外拖出,使结、直肠外翻,然后将乙状结肠近切端从已拖出的 From April 1994 to October 1999 in our hospital, Welch was used to treat 19 cases of rectal cancer, and anastomosis was improved without complications. Now introduced as follows: 1. Surgical methods: In the basis of Welch surgery, the suture method has been improved: 1 After the tumor is resected, the distal end of the distal end of the tumor is receded, and the rectum is dragged out through the anus, causing the knot and the rectum to evert , and then from the proximal end of the sigmoid colon has been pulled out