VEGFA and breast neoplasm: Like most tumors, breast tumors express many angiogenic factors, such as VEGF and VEGFR, fibroblast growth factor (FGF)-1, FGF-2, angiopoietin-1 and 2, placenta growth factor, hypoxia-inducible factor (HIF)-1α, endothelial cell adhesion molecules (VE-cadherin, PECAM-1), epidermal growth factor, TGF-α and TGF-β [10]–[13].