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Morphological characteristic of tumors: (1) high grade primary luminal non-muscular invasive bladder cancer (NMIBC); (2) low grade primary luminal NMIBC. (A) Hematoxylin and eosin staining, ×500. (B) Anti-GATA3 IHC-staining, ×500. (C) Anti-CR5/6 IHC-staining, ×500. (D) Anti-PD-L1 IHC-staining, ×500.
