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The Kaplan-Meier survival subgroup analysis for the prognostic signature of 15 ferroptosis-related lncRNAs stratified by clinical characteristics. (a, b) patients aged > 65 years and ≤ 65 years. (c, d) Female and male. (e, f) T1-2 and T3-4. (g, h) N0 and N1-2. (i, j) M0 and M1. (k, l) Stages I–II and III–IV. (m) Heatmap for differential clinicopathological features of high- and low-risk scores.
