The relationships between the hubgenes expression and the OS of HCC patients were corroborated by 364 RNA-seq data from the Kaplan–Meier plotter (http://kmplot.com/analysis/index.php?p=service&cancer=liver_rnaseq) (Fig. 10d), among which no survival data of PRRC2A was provided. Here, PRRC2A is linked to hepatocellular carcinoma.