Fig. 5

Construction of 4-lncRNA signature in the training set. a Kaplan–Meier survival curves revealed the difference in overall survival between high- and low-risk groups patients with EC. b Receiver operating characteristic (ROC). c The distribution of risk score, survival duration and expression profiles of 4-lncRNA in high- and low-risk groups. d Immune status analysis in high- and low-risk groups based on risk lncRNA by principal components analysis (PCA). e, f PCA based on the whole genome expression set and immune-related lncRNA set