CCDC163 and hepatocellular carcinoma: Six lncRNAs were associated with HCC overall survival (log-rank P < 0.05), and of these, CCDC163P, LOC146880, LOC642852, MCM3AP-AS1, and THUMPD3-AS1 were negatively correlated with prognosis (P < 0.05); UNQ6494 was positively correlated with prognosis (P < 0.05) (Fig. 8).