CXCR4 and pancreatic adenocarcinoma: Accordingly, CXCR4-overexpressing specimens from TCGA database were characterized by higher levels of infiltrating CD8+ T cells—especially in entities such as clear cell (KIRC) and papillary renal cell carcinoma (KIRP), pancreatic adenocarcinoma (PAAD), and thymoma (THYM).