PDCD6 and hepatocellular carcinoma: Besides, based on TCGA cohort, HCC patients with high PDCD6 expression had shorter OS (HR = 1.937, 95% CI 1.303–2.879, P = 0.0011) and DSS (HR = 2.262, 95% CI 1.371–3.731, P = 0.0014) than those with low PDCD6 expression (Fig. 10f, g).