Methods From 3,1997 to 3,1998,96 consecutive patients with primary mid and low rectal carcinomas underwent ultralow anterior resection according to the principle of total mesorectal excision(TME)with single or double stapling technique(SST or DST).

• 方法 1997年 3月至 1998年 3月间对 96例中低位直肠腺癌行超低位DST/SST前切除术 ,其中根治性切除 87例 ,姑息性切除 9例。