The immune cell signatures included CD8+ T cells, T cells (general), B cells, monocytes, tumour-associated macrophages (TAMs), M1 macrophages, M2 macrophages, macrophages, neutrophils, natural killer cells, dendritic cells, Th1, Th2, Tfh, Th17, Treg, and T cell exhaustion (*p < 0.05; **p < 0.01; ***p < 0.001; ****p < 0.0001). This evidence concerns the gene CD8A and neoplasm.