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Representative sections of GITC immunohistochemically stained with VEGF in tumor cells and blood vessels in the center of the tumor (a), periphery (b) and metastasis (c) regions. Note the nuclear staining in tumor cells and the presence of blood vessels in the proximity of tumor glands in the periphery region. In (a) and (c), bar = 25 μm and in (b), bar = 35 μm.
