Figure 1: Workflow of the analysis for the identification of the tumor gene transcriptional signature.

Identification of “tumor-associated” and “liver-specific” upregulated genes, in HCC (A) and in HBV- and HCV-related HCC (B). Venn Diagram of “tumor-associated” upregulated genes identified in HBV- and HCV-related HCC (B). RP = redundant probes.