As seen in Figure 7A, PSAT1 expression is significantly correlated with the infiltrating of immune cells: B cells in 13 types of cancer, CD4+ T cells in 17 types of cancer, CD8+ T cells in 12 types of cancer, Neutrophil in 11 types of cancer, macrophages in 14 types of cancer and DCs in 13 types of cancer. The gene discussed is CD8A; the disease is cancer.