Figure 4. Associations between risk signature and clinicopathological factors. Risk score distribution (A), survival status (B), PCA plot (C), and t-SNE (D) analysis of TCGA-CM cohort. (E) Survival curve of CM patients. TimeROC (F) and ClinicalROC (G) curves to forecast overall survival of patients. Univariate (H) and multivariate Cox (I) regression of clinicopathological features in TCGA-CM cohort. Correlations between risk scores and T stage (J) and metastatic capacity (K). (L) The heatmap of clinicopathological features and hub lncRNAs expression in two risk subgroups.