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The calibration curves for predicting patient survival at 3 (A), 5 (B), and 10 years (C) for the modeling group. The calibration curves for predicting patient survival at 3 (D), 5 (E), and 10 years (F) for the internal validation group. The calibration curves for predicting patient survival at 5 (G) and 10 years (H) for the external validation group.
