Fig. 3From: Effectiveness of the AJCC 8th edition staging system for selecting patients with T1–2N1 breast cancer for post-mastectomy radiotherapy: a joint analysis of 1986 patients from two institutionsLRR, DM, DFS and OS curves for low-, intermediate- and high-risk groups without PMRT. LRR, loco-regional recurrence; DM, distant metastasis, DFS, disease free survival; OS, overall survival; PMRT, post-mastectomy radiotherapyBack to article page