乳腺癌是女性最常见的恶性肿瘤之一,近十余年来其在我国发病率有逐渐升高趋势,在北京、上海等地乳腺癌已跃居为女性恶性肿瘤的首位。随着乳腺彩超、X线钼靶以及乳腺MRI等设备的应用和诊断技术的进步,早期乳腺癌的诊断率明显提高。早期乳腺癌采用保留乳房手术(保乳手术),新辅助化疗,辅助放、化疗以及内分泌治疗,是近年来乳腺癌治疗的重要进 Breast cancer is one of the most common malignant tumors in women. In the recent ten years, its incidence in China has gradually increased. Breast cancer in Beijing and Shanghai has become the first place among women with malignant tumors. With the application of breast ultrasound, mammography and breast MRI equipment, the diagnostic rate of early breast cancer is obviously improved. Early breast cancer using retained breast surgery (breast conserving surgery), neoadjuvant chemotherapy, adjuvant radiotherapy, chemotherapy and endocrine therapy, breast cancer treatment in recent years, an important factor