CD8A and neoplasm: Difference analysis of ssGSEA between immune cells and immune-related functions in high- and low-risk groups was mainly in CD8 + T-cell, T helper cells and other immune-related cells, Cytolytic HLA activity, and other immune functions (Figures 6E, F), and immune infiltration of the tumor microenvironment has been associated with improved survival for some patients with solid tumors.