目的探讨双吻合器在低位直肠癌前切除术中常见并发症及预防措施。
Objective To study the usual complications and preventive measures after applying double stapling device in the sphincter preserving surgery.
目的评价结肠J 型贮袋术在中低位直肠癌前切除术中的临床应用价值。
Objective To evaluate J-pouch coloanal anastomosis after low anterior resection for the middle and low rectal carcinoma.
目的：研究直肠癌前切除术肿瘤下切缘的长度在不同时间的变化及其规律。
Purpose: To measure the length of distal margin from the lower border of tumor at different time in anterior resection for rectal cancer and analyze their relationship.
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