Figure 3
From: Angiogenesis in cancer of unknown primary: clinicopathological study of CD34, VEGF and TSP-1
Strong cytoplasmic immunohistochemical staining of tumor cells for VEGF in a CUP case. It is shown the characteristic granular cytoplasmic staining pattern and the occasionally weak positive reaction of intervening stromal and endothelial cells (original magnification ×200, counterstained with hematoxylin)