CCNA2 and hepatocellular carcinoma: High expression of FOXM1 (HR = 1.68; P=0.0033), CCNA2 (HR = 1.69; P=0.0029), AUPKA (HR = 1.61; P=0.0069), CDKN3 (HR = 1.29; P=0.15), and CDC20 (HR = 2.3; P=3.4e − 06) indicated worse survival rate in patients with HCC.