直肠癌经腹会阻联合根治术（Miles术）后会阴遗留巨大腔隙，常导致感染，延长愈合。自1988年～1992年笔者对收治的30例直肠中下段癌施行Miles术时，应用游离大网膜作骶前填塞的方法，取得满意的效果，兹简介如下。临床资料本组30例中，男26例，女4例；年龄最大67岁，最小38岁， After rectal cancer will be combined with radical mastectomy (Miles) after the huge deposits left behind the perineum, often leading to infection and prolong healing. From 1988 to 1992, when the author applied Miles to the treatment of 30 cases of rectal mid-lower stage cancer, the method of applying free omentum for presurgical tamponade was used to achieve satisfactory results. Clinical data of this group of 30 cases, 26 males and 4 females; the oldest 67 years old, the youngest 38 years old,