Fig. 3

Kaplan-Meier Curves after propensity score matching. PORT, postoperative radiotherapy; DFS, disease-free survival; LRFS, locoregional relapse-free survival; DMFS, distant metastasis-free survival
Kaplan-Meier Curves after propensity score matching. PORT, postoperative radiotherapy; DFS, disease-free survival; LRFS, locoregional relapse-free survival; DMFS, distant metastasis-free survival