In addition, we analyzed the level of PD-L1 expression in other cancers, including pancreatic (ASPC1, BXPC3, CAPAN, CFPAC1, and PAN), ovarian (A2780), prostate (LNCaP), breast (MCF-7), osteosarcoma (SJSA1), and glioblastoma (U87) cells. This evidence concerns the gene CD274 and cancer.