Figure 4. Univariate Cox regression analysis of lncRNAs in key modules. The K-M curves of the first 6 lncRNAs that were significantly correlated with disease prognosis, AC121338.1 (A), AC116366.2.C (B), LINC01914 (C), AF165147.1 (D), VIM-AS1 (E), SATB1-AS1 (F). High and low expression was shown in red and green, respectively.