“…The ICIs, which could induce immune-related cystitis, were mainly PD-1/PD-L1 blockers (n = 10), including nivolumab (PD-1 mAb, n = 7) (7,8,11,12,14,15), pembrolizumab (PD-1 mAb, n = 1) (13), sintilimab (PD-1 mAb, n = 1) (10), and atezolizumab (PD-L1 mAb, n = 2) (9,15). The three cases in our report were also diagnosed as PD-1 mAb-related ureteritis and cystitis.…”