采用包括放射治疗和 (或 )化疗在内的综合治疗已成为提高直肠癌疗效的重要方法。笔者现就外放射 +小剂量亚叶酸钙 (ＣＦ) +氟尿嘧啶 (5 Ｆｕ)联合治疗 6 2例局部晚期和复发性直肠癌近期疗效报道如下。1　材料与方法1.1临床资料 :1997年 7月以来共收治术后局部复发和手术探查无 The use of comprehensive treatment including radiation therapy and (or) chemotherapy has become an important method for improving the efficacy of rectal cancer. The authors report on the short-term effects of external radiation + low-dose leucovorin (CF) + fluorouracil (5 Fu) on 62 patients with locally advanced and recurrent rectal cancer. 1 Materials and methods 1.1 Clinical data: Local recurrence after surgery and surgical exploration since July 1997