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. 2021 Feb 5;14:845–855. doi: 10.2147/OTT.S291327

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© 2021 Lee et al.

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Representative images showing immunohistochemical staining of programmed death ligand-1 on tumor-infiltrating immune cells in radical cystectomy specimens. (A) IC0 (×200), (B) IC1 (×200), (C) IC2 (×200), and (D) IC3 (×200) (bar scale 100 μm).