CCNB2 and hepatocellular carcinoma: As indicated in Figure 7 and Table 2, log2(FC) of KIF11, TPX2, KIF20A, and CCNB2 in the HBV-related HCC dataset ranges from 1.38 to 2.66, while log2(FC) of these genes in the HCV-related HCC dataset ranges from 0.09 to 0.35.