食管腺癌常起自Barrett化生处，尤其是特殊肠型粘膜，胃食管交界处腺癌的发病机理不清楚，但该处肿瘤的特征与食管腺癌者明显相似。假定两者的来源相同，而胃底食管癌仅来自短段的特殊肠型化生。为此，作者检查施行食管胃切除术的100例远端食管、胃底 Esophageal adenocarcinoma often arises from the Barrett metaplasia, especially the intestinal mucosa, and the pathogenesis of adenocarcinoma at the gastroesophageal junction is unclear. However, the features of the tumor are similar to those of esophageal adenocarcinoma. It is assumed that the two sources are the same, and gastric esophageal cancer is derived only from a short segment of a special intestinal metaplasia. To this end, the author examined 100 cases of esophageal gastrectomy performed distal esophagus, fundus