CD8A and neoplasm: Next, the tumor infiltration immune cells and immune-related functions were assessed based on ssGSEA scores between the two risk groups, and results showed that activated B cells, immature B cells, memory B cells, activated CD8+ T cells, effector memory CD8+ T cells, natural killer T cells, Th1 cells, eosinophil, macrophage, and mast cells exhibited a lower expression in the high-risk group (Figure 8E).