However, ZEB1 did not predict poor OS for patients with esophageal squamous cell carcinoma (pooled HR: 1.338, 95% CI: 0.965-1.854, p=0.081) and hepatocellular carcinoma (pooled HR: 1.364, 95% CI: 0.989-1.881, p=0.059). This evidence concerns the gene ZEB1 and hepatocellular carcinoma.