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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Cancer Immunol Res. 2015 Aug 25;3(12):1303–1307. doi: 10.1158/2326-6066.CIR-15-0150

Figure 2.

Figure 2

Representative Immunohistochemical Staining of PD-1 Expression in RCC With Sarcomatoid Features and Clear Cell RCC. Staining of sarcomatoid (A and C) and ccRCC (B and D) samples. A and B, Hematoxylin-eosin staining (H+E). C and D, Staining with anti–PD-1 antibody showing positive staining of sarcomatoid RCC (C) and negative staining of ccRCC (D). All panels, original magnification ×20. E, Percentage of tumors with PD-L1 expression (clone 130021), PD-1+ tumor-infiltrating lymphocytes, or coexpression of PD-L1 and PD-1 in sarcomatoid RCC or ccRCC.