贲门失弛症并发食管癌，自１８７２年Ｆａｇｇｅ氏第一次报道以来，虽文献有零星报道，但多属晚期，能手术治疗者甚少。作者收治３例，均行手术切除，其中１例系食管原位癌，术后效果良好，这对了解贲门失弛症发展为食管癌的演变过程可能有所启示，现报道如下。１临床资料... Esophageal achalasia complicated by esophageal cancer has been reported sporadically in the literature since the Fagge’s first report in 1872, but most of them are of advanced stage, and there are few patients who can undergo surgical treatment. The authors treated in 3 cases, all underwent surgical resection, including 1 case of esophageal carcinoma in situ, the effect was good, which may be enlightened to understand the development of esophageal atherosclerosis esophageal cancer, are reported below. 1 clinical data...