Fig. 1
From: Role of the tumor microenvironment in PD-L1/PD-1-mediated tumor immune escape
Cell growth factors and cytokines secreted in the tumor microenvironment. Abbreviations: CAFS, cancer-associated fibroblasts; Mφ, macrophage; Breg: B regulatory cell; T cells, T lymphocytes; NK, natural killer cell; DC, dendritic cells; TAN, tumor-associated neutrophil; MDSC, myeloid-derived suppressor cell; TAAC, tumor-associated adipose cells; VEC, vascular endothelial cell; ECM, extracellular matrix