PD-L1 was found to be significantly associated with overall survival in breast cancer, kidney renal clear cell carcinoma, LIHC, ovarian cancer (OV), pancreatic ductal adenocarcinoma (PAAD), sarcoma, TGCT, THYM, UCEC, LGG and SKCM (Figure S1). The gene discussed is CD274; the disease is pancreatic ductal adenocarcinoma.