The results showed that the correlations of PD-1/PD-L/CTLA-4 and BRAC1 (Supplymentary Figures S1D–F), as well as PD-1/PD-L1/CTLA-4 and BRAC2 (Supplymentary Figures S1G–I), were actually nonsignificant in ovarian cancer. Here, CTLA4 is linked to ovarian carcinoma.