Figure 1.
Immunohistochemical staining of CD8 and programmed death‐ligand 1 (PD‐L1) in bladder cancer tissues. Immunohistochemical staining of bladder cancer tissues showed representatives of A, high CD8 staining and B, low CD8 staining. Immunohistochemical staining of bladder cancer tissues showed representatives of C, positive PD‐L1 staining and D, negative PD‐L1 staining (×400)