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ROCs for assessing the accuracy of predicting the 3- (A), 5- (B), and 10-year (C) survival in the modeling group; ROCs for assessing the accuracy of predicting the 3- (D), 5- (E), and 10-year (F) survival in the internal validation group; and ROCs for assessing the accuracy of predicting the 5- (G) and 10-year (H) survival in the external validation group.
