CD8A and hepatocellular carcinoma: Immune gene markers of B cell, T cell (general), CD8 + cell, CD4 + cell, tumor-associated macrophage (TAM), M1 and M2 macrophage, neutrophil, natural killer cell (NK) cell, DC, Th1/2/fh/17cell, Treg, and T cell exhaustion in HCC were assessed.