Objective: To determine the relationship between the amplification of the oncogene HER2, mdm 2 and C myc and the malignant degree,metastasis and prognosis of gastric cancer (GC).

• 目的 :探讨癌基因HER2、mdm 2和C myc扩增与胃癌恶性程度、转移及预后的关系。