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BACKGROUND
The immune profile of sarcomatoid renal cell carcinoma (sRCC), including the programmed cell death ligand 1 (PD‐L1) and programmed cell death 1 (PD‐1) status, has not been well characterized.
METHODS
An immunohistochemical digital analysis of PD‐L1, PD‐1, CD4, and CD8 was performed on nephrectomy specimens from 118 sRCC patients and 92 nonsarcomatoid clear cell renal cell carcinoma (ccRCC)...
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