乳腺癌是女性最常见的恶性肿瘤之一,其发病率呈逐年上升趋势,在一些城市已成为女性的第一杀手。新辅助化疗能使肿瘤缩小,控制局部病变,降低术前分期,使原来不能手术的肿瘤可以通过手术切除;在带瘤治疗的条件下可以从临床上观察到肿瘤原发灶对化疗药物的敏感性,提供了一次明确的 Breast cancer is one of the most common malignant tumors among women. Its incidence rate has been rising year by year. It has become the number one killer of women in some cities. Neo-adjuvant chemotherapy can shrink tumors, control local lesions, reduce preoperative staging, make original inoperable tumors can be surgically removed, and can be clinically observed to be sensitive to chemotherapeutic drugs under tumor-bearing conditions. Sex, provides a clear