Figure 5. The genetic alterations and biological functions analysis of the nineteen prognostic genes in HCC. (A) The genetic alteration profiles of the 19 genes in the TCGA-LIHC dataset using the cBioPortal database. (B) Circular visualization of chromosomal positions of 19 genes. (C) Biological functions analysis of 19 genes in Metascape database and nodes with the same color belong to the same term. (D) Hub genes in the protein-protein interaction network.