Fig. 5

Decision curve analysis for prediction of early recurrence. The black line represents the net benefit of none of the patients receiving general treatment interventions; the gray line represents the net benefit of patients receiving general treatment interventions; the green line represents the net benefit for patients receiving pTNM staging interventions; the red and blue lines represent the net benefit for patients receiving nomogram interventions in the training cohort and validation cohort, respectively. The red and blue lines is above the rest of lines, indicating that the nomogram provides clinical benefit