CD4 and urinary bladder carcinoma: On the contrary, in bladder cancer, CD56dim natural killer cells, central memory CD4T cells, eosinophils, mast cells, monocytes, and17-type helper T cell numbers were lower in high-m6Ascore group, while activated CD4 + T cell, memory B cell, natural killer T cell, neutrophil, 2-type helper T cell etc., and mainly related to immunosuppression-related cell numbers were less in the low-m6Ascore group (Deng et al., 2022).