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The decision curve analysis of the nomogram and AJCC.TNM for CSS at (A) 1-year and (B) 3-year and (C) 5-year in the training cohort, and at (D) 1-year (E) 3-year and (F) 5-year in the internal validation cohort, and at (G) 1-year (H) 3-year and (I) 5-year in the external validation cohort.
