Fig. 3

Kaplan–Meier survival curves and cumulative incidence curves (propensity score-matched cohort). A Kaplan–Meier survival curves for overall survival rates according to TNM stage. A1 All stages, A2 Stage I, A3 Stage II, and A4 Stage III. B Kaplan–Meier survival curves for disease-free survival rates according to the TNM stage. B1 All stages, B2 Stage I, B3 Stage II, and B4 Stage III. C Cumulative incidence curves of local recurrence rates. D Cumulative incidence curves of distant metastasis rates