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1998年，Julia等报道一条新肿瘤相关基因(malignancy-associated gene, MAG)，其在许多癌肿和癌前病变中均为阳性表达，而在正常组织中不表达*1+。迄今为止，尚未见在胃癌中表达的报道，故对此进行研究，并分析其含量与临床病理的关系。材料与方法 1.取材 随机取1999年
In 1998, Julia et al. reported a new tumor-associated gene (MAG), which is positive in many cancerous and precancerous lesions but not in normal tissues. Up to now, no report on the expression in gastric cancer has been found. Therefore, this study was conducted and the relationship between its content and clinicopathology was analyzed. Materials and Methods 1. Materials Randomly taken in 1999