Figure 2. Construction of the prognostic model. (A) Construction of multivariate Cox analysis prognostic model. (B) K-M curve for the OS of ccRCC patients in high- and low-risk sets in the train set. (C, D) Distribution of risk scores and corresponding OS status in the train set. (E) ROC curve of the prognostic signature in the train set. (F, G) PCA and t-SNE analyses of the TCGA train set.