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Immunohistochemical staining of vascular endothelial growth factor and vascular endothelial growth factor receptor 2 in gastric cancer. Positive staining of VEGF (B) and VEGFR2 (C) was observed in most gastric cancer tissues, but less staining was observed in normal gastric tissues (A). VEGF: Vascular endothelial growth factor; VEGFR2: VEGF receptor 2.
