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Histopatholgic and immunohistochemical analysis of tumor specimens from GL261 and GL261.luc bearing animals. Hematoxylin and Eosin (H&E) staining was used for conventional morphologic analysis of tumor. Ki-67 staining was for examining tumor cell proliferation, whereas C3 and CD31 staining was for T-cell infiltration and tumor neovascularization, respectively. Magnification is 200 X.
