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Influence of VEGF on tumor immunity. MHC, major histocompatibility complex; TCR, T-cell receptor; DC, dendritic cell; CTLA-4, cytotoxic T-lymphocyte antigen 4; VEGF, vascular endothelial growth factor; Treg, regulatory T cell; MDSC, myeloid-derived suppressor cell; IL, interleukin; HCC, hepatocellular carcinoma; TAM, tumor associated macrophage; PD-1, programmed death-1; PD-L1, programmed death ligand 1.
