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胃癌是我国最常见的恶性肿瘤之一,胃癌的早期症状与消化性溃疡极为相似,印戒细胞癌和未分化癌均属高度恶性的病理类型。印戒细胞癌是由细胞内含有黏液的恶性瘤细胞组成,早期阶段内镜下胃黏膜内无明显的肿块及息肉突出物,组织学
Gastric cancer is one of the most common malignant tumors in our country. The early symptoms of gastric cancer are very similar to peptic ulcer. The signet ring cell carcinoma and undifferentiated carcinoma are all highly malignant pathological types. Signet ring cell carcinoma is composed of intracellular mucinous malignant tumor cells, the early stage of endoscopic mucosa without obvious mass and polyp prominence, histology