CD8A and neoplasm: The 67 differentially expressed immune-related genes were classified according to CD8 + T cell, T cell (general), B cells, monocyte, tumor-associated macrophage, M1 macrophage, M2 macrophage, neutrophil, natural killer cell, dendritic cell, Th1, Th2, Tfh, Th17, Treg and T cell exhaustion markers (Fig. 4).