MAPK14 and cholangiocarcinoma: Gene expression profiles of BSG (CD147), IL-6, RELA (p65), AKT1 (Akt), and MAPK14 (p38) in CCA tissues were retrieved from three different datasets, including TCGA-CHOL (Dataset #1), GSE26566 (Dataset #2), and GSE89749 (Dataset #3).