Fig. 2From: The effect of postmastectomy radiotherapy in node-positive triple-negative breast cancerKaplan–Meier curves and log-rank tests comparing 3-year BCSS for TNBC patients with different staging subgroups between PMRT and non-PMRT groups. a-d The 3-year BCSS of patients with T1–2N1, T3–4N1, T1-4N2, and T1-4N3 stage TNBCBack to article page