Figure2

(A) Representative immunohistochemistry (IHC) of CD8 in high grade serous ovarian cancer, 40\(\times\): CD8 positive tumor infiltrating lymphocytes (TILs) (B) IHC of PD-L1, 40\(\times\): PD-L1 positive TILs. (C) IHC of PD-L1, 40\(\times\): tumor cells stain positively for PD-L1, membrane staining was observed. (D) IHC of PD-1, 40\(\times\): PD-1 positive TILs.