In the DSSH group of the TCGA-BLCA cohort, the proportion of activated memory CD4 T cells (p=0.032), resting NK cells (p=0.0032), and activated mast cells (p=2.3e-5) was significantly higher than that in the DSSL group, while the proportion of Treg cells (p=7.8e-6) and monocytes (p=3.6e-3) was significantly lower (Figure 4C). Here, CD4 is linked to bladder transitional cell carcinoma.