我院自1998年6月起应用双吻合器法进行低位或超低位直肠癌前切除术4例,现介绍如下。1　临床资料1.1　一般资料　4例均为女性,年龄50～67岁,其中直肠管状腺癌2例,直肠高分化腺癌1例,直肠粘液腺癌1例。病理分期(Ｄｕｋｅｓ分期):均为Ｂ-2期,肿瘤下缘距肛门分别为6、5、6.5、6ｃｍ Our hospital has applied double stapling technique to perform low or ultralow rectal cancer resection in 4 cases since June 1998. 1 Clinical data 1.1 General information 4 cases were female, aged 50 to 67 years old, including 2 cases of rectal tubular adenocarcinoma, rectal well-differentiated adenocarcinoma in 1 case, rectal mucinous adenocarcinoma in 1 case. Pathological staging (Dukes staging): all B-2 stage, tumor lower margin from the anus were 6, 5, 6.5, 6 cm, respectively