Microscopically, invading adenocarcinoma can be seen here. Normal gastric epithelium at the left merges into the carcinoma at the right, and irregular neoplastic glands infiltrate downward into the submucosa.

• 镜下见腺癌侵蚀。左边正常的胃上皮与右边的肿瘤相连，呈不规则样的腺样癌组织向下侵蚀到粘膜下层。