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分析我科收治的１２９例局部复发直肠癌复发形式的特征，指出第一次行Ｄｉｘｏｎ手术者以吻合口及其周围组织的复发最多，第一次行拉出术者以拉出肠管及其周围组织复发最多。并结合直肠癌壁内逆向浸润及淋巴转移规律的研究结果。分析了复发的原因，进而提出保肛手术的原则及适应证：保肛手术必须在充分清除淋巴结，清除足够的侧方组织及切除足够的远端正常肠管的基础上根据肿瘤的部位选择不同的保肛手术，即肿瘤下缘距肛缘８ｃｍ者行Ｄｉｘｏｎ手术，７ｃｍ者行Ｔｕｒｂｕｌｌ－Ｃｕｔａｉｔ手术，６ｃｍ者行Ｂｌａｃｋ或Ｂａｂｃｏｃｋ手术，５ｃｍ者行Ｂａｃｏｎ或Ｗａｕｇｈ手术，且指出保肛手术宜选择病期较早者进行。
Analysis of the characteristics of relapsed forms of locally recurrent rectal cancer in 129 patients admitted to our department. It was pointed out that for the first time Dixon surgery had the most recurrence of the anastomotic stoma and its surrounding tissues. The first time the patient was pulled to pull out the bowel and its surroundings. The most recurrence of tissue. Combined with the results of the study of the law of retrograde infiltration and lymphatic metastasis of rectal cancer. Analysis of the causes of recurrence, and then put forward the principle of sphincter preserving surgery and indications: sphincter preserving surgery must be based on the location of the tumor to choose different according to the full clearance of lymph nodes, clear enough lateral tissue and removal of adequate distal normal bowel Anus-sparing surgery, that is, 8cm from the anal margin of the tumor with Dixon surgery, 7cm with Turbull-Cutait surgery, 6cm with Black or Babcock surgery, 5cm with Bacon or Waugh surgery, and indicated that the sphincter preservation surgery should select the disease period Earlier.