本文报道了术前未能诊断的食管贲门双原发癌20例,重点讨论了漏诊的原因,对食管癌患者应强调常规作上消化道全程的系统检查,不能仅满足于食管癌的单一诊断。术中应仔细探查贲门部情况,食管癌手术时应包括贲门部的切除,对食管贲门双原发癌应以手术治疗为主。本病应同食管癌贲门部转移相鉴别。 This article reports 20 cases of esophageal and cardiac double primary cancer that cannot be diagnosed before surgery. The reasons for missed diagnosis are mainly discussed. For patients with esophageal cancer, routine examination of the upper gastrointestinal tract should be emphasized. It cannot be satisfied with a single diagnosis of esophageal cancer. . During the operation, the cardiac area should be carefully explored. The esophageal cancer surgery should include the resection of the cardia. The surgical treatment should be used for the primary cancer of the esophagus. The disease should be differentiated from metastasis of esophageal cancer and cardia.