CD8A and neoplasm: Next, we used MCPcounter to quantify the relative enrichment of immune cells in heterogeneous tumor samples, and then evaluated the level of immune infiltration across 10 kinds of immune-related cells, namely T cells, CD8 T cells, natural killer cells, cytotoxic-lymphocytes, B cells, monocytic lineage, myeloid dendritic cells, neutrophils, and endothelial cells and fibroblasts.