CD8A and neoplasm: Immune infiltration analysis further revealed a higher abundance of immune-related cells, including activated dendritic cells, B cells, CD8+ T cells, macrophages, plasmacytoid dendritic cells, follicular helper T cells, and tumor-infiltrating lymphocytes in the high-risk group compared to the low-risk group (Figure 8E), with an enhanced immune response also observed in the high-risk group (Figure 8F).