The expression levels of all six lncRNAs of the GILncSig in high- and low-risk groups from the training (A), test (B), and TCGA (C) sets. **, P<0.01; ***, P<0.001. LncRNAs, long non-coding RNAs; GILncSig, genome instability-derived lncRNA signature; TCGA, The Cancer Genome Atlas.