EZH2 and hepatocellular carcinoma: High expression of EZH2 was associated with poor prognosis in HCC (OS: HR = 1.97, 95% CI = 1.38 to 2.81, p<0.001; PFS: HR = 1.76, 95% CI = 1.31 to 2.36, p<0.001; RFS: HR = 1.79, 95% CI = 1.28 to 2.50, p<0.001; DSS: HR = 1.91, 95% CI = 1.22 to 3.01, p = 0.0042; Fig 3A–3D).