Aim: To explore the histological and histochemical features of intestinal metaplasia (IM) adjacent to gastric cardia adenocarcinoma (GCA) and its correlation with gastric cardia epithelial lesions.

• 目的:探讨贲门癌(GCA)癌旁肠上皮化生(IM)的组织学和组织化学特征及其与病变的关系。