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(A, C) Kaplan-Meier plot showing RFS between high- and low-risk groups estimated by the 6-exo-miRNA EMP in the training (A) and (C) validation cohorts. (B, D) Forest plots showing hazard ratios of clinicopathological variables and panel risk score status in uni- and multivariate cox proportional analyses of RFS in the training (B) and (D) validation cohorts.
