胃癌是我国最常见的消化道恶性肿瘤,其死亡率占恶性肿瘤的首位。为提高早期胃癌的诊断率,人们采用X线气钡双重造影技术与纤维胃镜结合无疑是最有效的方法,但费用高、检查费时长。近年来,检测血清肿瘤标记物,是诊断恶性肿瘤简便易行的方法。为探讨MGAg在胃癌诊断中的价值,我们分 Gastric cancer is the most common malignant tumor of the digestive tract in China, and its mortality accounts for the first place in malignant tumors. In order to improve the diagnostic rate of early gastric cancer, it is undoubtedly the most effective method to combine the X-ray gas double-scanning technique with the gastroscopy, but the cost is high and the examination cost is long. In recent years, detecting serum tumor markers is a simple and easy method for diagnosing malignant tumors. To explore the value of MGAg in the diagnosis of gastric cancer, we