CD4 and cancer: As shown in Figure 11A, the expression of PPP1R14A was significantly associated with the abundance of infiltrating immune cells, specifically, B cells in 14 types of cancer, CD4 + T cells in 18 types of cancer, CD8+ T cells in 11 types of cancer, macrophages in 17 types of cancer, neutrophils in 10 types of cancer, and DCs in 13 types of cancer.