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Calibration curves for predicting overall survival rate by the nomogram in the training and validation set.
Notes: Calibration curves of the prognostic nomogram for 1-year overall survival (a), 2-year overall survival (b) and 3-year overall survival (c) in the training set; calibration curves for 1-year overall survival (d), 2-year overall survival (e), and 3-year overall survival (f) in the validation set.
