食管癌术后吻合口狭窄是临床常见的严重并发症之一,文献报道发生率为0·5%~5·9%〔1〕。其常见原因为:①术后纤维增生瘢痕性狭窄;②术后吻合口肿瘤复发;③术后吻合口放疗纤维瘢痕性狭窄。以往的治疗手段如再次手术、激光切除术、旁路再造术及橡胶金属材料扩张器扩张术等,但因多 Postoperative anastomotic stricture of esophageal cancer is one of the serious clinical complications, the incidence of the literature was 0.5% to 5.9% (1). The common causes are as follows: ① postoperative fibrosis hypertrophic scar stenosis; ② anastomotic tumor recurrence; ③ postoperative anastomosis radiation cicatricial stenosis. Past treatments such as reoperation, laser resection, bypass reconstruction and dilatation of rubber and metal materials, etc., but due to more