论文部分内容阅读
乳腺癌是十分常见的恶性肿瘤,好发于40~60岁围绝经期妇女,目前在西方国家,该病的死亡率居女性肿瘤死亡率的第一位。在发展中国家,随着社会老龄化和生活方式的改变,乳腺癌的发病率也呈明显上升趋势[1]。乳腺癌是由乳腺导管上皮细胞恶性增生形成的肿瘤,
Breast cancer is a very common malignant tumor, which occurs in perimenopausal women aged 40 to 60 years. Currently in western countries, the death rate of the disease ranks the first among female cancer deaths. In developing countries, with the aging of the society and changes in lifestyle, the incidence of breast cancer also showed a clear upward trend [1]. Breast cancer is a tumor formed by malignant hyperplasia of mammary ductal epithelial cells,