直肠癌根治术后的局部复发仍是直肠癌治疗的一个主要问题 ,其复发率为 3%～ 5 0 %。本研究目的在于评价根治性前切除或腹会阴切除术后未行放疗患者的局部复发率和局部复发的预后因素。方法　 1980～ 1996年 5 14例患者行直肠癌根治切除术 ,排除术前放疗 2 3例 ,术后放疗 2 7例 Local recurrence after radical resection of rectal cancer remains a major problem in the treatment of rectal cancer, with a recurrence rate of 3% to 50%. The purpose of this study was to evaluate the local recurrence rate and prognostic factors of local recurrence in patients who did not receive radiotherapy after radical anterior resection or abdominal perineal resection. METHODS: Fourteen patients underwent radical resection of rectal cancer from 1980 to 1996. Twenty-three patients received preoperative radiotherapy and twenty-seven patients received postoperative radiotherapy.