Objective To study the effect of neoadjuvant chemotherapy with the tetraregimen of TEF plus CF on cell proliferation,microvessel density and histological grade in breast cancer.

• 目的研究采用TEF+CF联合化疗方案的新辅助化疗对乳腺癌的细胞增殖、微血管密度和组织学分级的影响。