KLRF1 and urinary bladder neoplasm: Further, we validated our observations in another cohort of 97 high‐grade bladder tumors14 (downloaded from CBioPortal15) and found that KLRF1 is associated with favorable DFS: patients with high KLRF1 bladder tumor expression had significantly improved DFS (p = 0.04, Figure S4), compared to patients with tumors expressing low levels of KLRF1.