HAMP and hepatocellular carcinoma: In this study, the correlations between the expression levels of GCH1 (RNAseq ID: 2643), HAMP (RNAseq ID: 57817), and CXCL2 (RNAseq ID: 2920) and prognosis in HCC patients were analyzed using the Kaplan–Meier plotter database.