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ER(雌激素受体)、PR(孕激素受体)及HER2在判断乳腺癌的预后、选择内分泌治疗、化疗及预测疗效方面都具有重要意义。本研究的目的旨在了解化疗前后ER、PR、HER2状态的变化。1资料和方法1.1研究对象2002年6月至2005年11月北京大学第一医院普通外科对43例T13N02M0女性乳腺癌初治病
ER (estrogen receptor), PR (progesterone receptor) and HER2 in the judgment of the prognosis of breast cancer, the choice of endocrine therapy, chemotherapy and prognosis of efficacy are of great significance. The purpose of this study was to understand the changes of ER, PR and HER2 status before and after chemotherapy. 1 Materials and Methods 1.1 The object of study June 2002 to November 2005 Peking University First Hospital General Surgery 43 cases of T13N02M0 female initial treatment of breast cancer