CD8A and hepatocellular carcinoma: The levels of immune cells in HCC tissues were calculated using the MCPcounter algorithm, and the results showed that the abundances of the B lineage, neutrophils, myeloid dendritic cells, T cells, cytotoxic lymphocytes, CD8+ T cells, monocytic lineage, and fibroblasts were abnormal in the high- and low-risk groups and that these differences were statistically significant (Figure 10 and Table 3).