CD274 and testicular germ cell tumor: With the GEPIA database, we further evaluated the expression level of PD-L1 in lymphoid neoplasm diffuse large B-cell lymphoma (DLBC), glioblastoma multiforme (GBM), brain lower grade glioma (LGG), skin cutaneous melanoma (SKCM), testicular germ cell tumor (TGCT), and thymoma (THYM).