Figure 7. Validation of the signature with the GSE84437 dataset (n = 431). KM survival curves of FOXD2-AS1 (A) and SOX4 (B); (C) Distribution of the ceRNA-based signature scores, lncRNA expression levels and patient survival durations in the GSE84437 validation set. (D) ROC curve analyses based on the signature. (E) KM curves of OS according to the risk score.