First, we observed that IGF2BP3 level positively correlated with the infiltration level of various immune cells, including CD8 + T cell, macrophage, neutrophil, and dendritic cell in TCGA BLCA dataset, through analysis using a web-tool TIMER (https://cistrome.shinyapps.io/timer/) (Fig. 7P). This evidence concerns the gene CD8A and bladder transitional cell carcinoma.