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. 2018 Sep 21;11:6139–6145. doi: 10.2147/OTT.S168057

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© 2018 Shi et al. This work is published and licensed by Dove Medical Press Limited

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Coexpression of CD4/PD-1 and CD8/PD-1 on TILs in Luminal A and TNBC (×400 magnification).

Notes: (A) Coexpression of PD1 and CD4 in Luminal A. (B) Coexpression of PD1 and CD4 in TNBC. (C) Coexpression of PD1 and CD8 in Luminal A (IHC, ×400). (D) Coexpression of PD1 and CD8 in TNBC (IHC, 400×). Red arrows indicate CD4⁺/PD-1⁺ lymphocytes, yellow arrows indicate CD8⁺/PD-1⁺ lymphocytes. The cells were scored at ×400 magnification.

Abbreviations: IHC, immunohistochemistry; TIL, tumor-infiltrating lymphocyte; TNBC, triple-negative breast cancer.