本文对食管癌的瘤周切除范围进行研究，认为食管癌复发的原因是多方面的。因此，应重视食管癌术后的综合治疗，以减少复发，改善疗效。１　材料与方法１．１ 对象 为１９９６年１月至１９９９年１２月间手术治疗的 １０３例术前及术中诊断为Ｔ３期的胸段食管癌患者，男６２例 This article studies the extent of peritumoral resection of esophageal cancer and believes that the causes of recurrence of esophageal cancer are many. Therefore, we should pay attention to the comprehensive treatment of esophageal cancer after surgery to reduce the recurrence and improve the efficacy. 1 Materials and Methods 1.1 Subjects Thirty-three cases of thoracic esophageal cancer patients with preoperative and intraoperative diagnosis of T3 were surgically treated from January 1996 to December 1999.