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乳腺癌的发生是在各种致癌因素的作用下 ,正常乳腺上皮细胞发生基因突变的结果。无疑这些有关癌基因的突变发生于癌变的最早阶段。癌基因C-erbB - 2又称Neu或HER2 它的扩增或其编码蛋白的过度表达与乳腺癌的发生及预后不良有关〔1〕。如何发现早期乳腺癌及判断患者
The occurrence of breast cancer is the result of gene mutation in normal breast epithelial cells under the action of various carcinogenic factors. There is no doubt that these mutations in oncogenes occur in the earliest stages of cancer. Oncogene C-erbB-2, also known as Neu or HER2 its amplification or the overexpression of its encoded protein and the occurrence of breast cancer and poor prognosis 〔1〕. How to detect early breast cancer and determine the patient