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病例选择:本组病人均经胃镜、病理证实的晚期食道癌、贲门癌及食道癌术后吻合口狭窄不能正常
Case selection: In this group of patients, the anastomosis stenosis was not normal after endoscopic esophagectomy, cardia cancer, and esophageal cancer confirmed by gastroscopy and pathology.