Immunohistochemical staining of HIF-1α, VEGF and Axl expression in breast cancer.

<p>(A) Moderate to strong HIF-1α positive staining located mainly in the nucleus (x400). (B) Moderate positive cytoplasmic expression of VEGF staining (x400). (C) Moderate to strong Axl positive staining, mainly membranous; weak cytoplasmic staining is also present (x400).