Methods 20 in 175 cases of esophagogastrostomy by esophageal mucosal layer through gastro-muscular layer tunnel and 20 cases of tunnel esophagogastrostomy as the control group entered the study.

• 方法食管粘膜层经隧道食管胃吻合术175例，其中20例与同期隧道式食管胃吻合术20例进行对比研究。