Objective: To investigate the role of angiogenesis in the biological feature judgement of breast tumor and its relationships with expression of vascular endothelial growth factor ( VEGF) and detectable rates of color doppler power imaging ( CDPI). 目的:探讨血管形成在乳腺肿瘤生物学特征判定中作用及其与VEGF表达和CDPI血流检出率之间的相关关系。