Wherein, in BLCA tumor, CSF1R (rho = 0.706), HAVCR2 (rho = 0.686), IL-10 (rho = 0.682), and PDCD1LG2 (rho = 0.753) showed the strongest positive correlation with FAP expression (Figure 8B). This evidence concerns the gene PDCD1LG2 and bladder transitional cell carcinoma.