我们从1995年至今于术中应用双重器械缝合技术(double stapling technique,DST)50例。报告如下。一、临床资料根治直肠癌50例,其中男30例、女20例,年龄23～78岁。肿瘤下缘距肛缘5cm 者2例,6～8cm 者42例,9～12cm 者6例;大体类型:增生型23例、溃疡型25例及浸润型2例;组织学类型:腺癌48例、粘液癌2例;Dukes 改良分期:A_1与 A_2期各6例、B 期24例、C_1 We have used double stapling technique (DST) in surgery for 50 cases since 1995. The report is as follows. First, clinical data 50 cases of rectal cancer, including 30 males and 20 females, aged 23 to 78 years. There were 2 cases of 5 cm away from the anal margin of the tumor, 42 cases of 6 to 8 cm, and 6 cases of 9 to 12 cm. General types: 23 cases of hyperplasia, 25 cases of ulceration, and 2 cases of infiltration; histological type: adenocarcinoma 48 Cases, 2 cases of mucinous carcinoma; Dukes improved stage: 6 cases each in A1 and A2 stage, 24 cases in B stage, C1