Fig. 2From: The efficacy of human epidermal growth factor receptor 2 (HER2) blockade switching mode in refractory patients with HER2-positive metastatic breast cancer: a phase II, multicenter, single-arm study (SYSUCC-005)Kaplan–Meier curves for all patients enrolled in this trial. A: The Kaplan–Meier curve for progression-free survival (PFS). B: The Kaplan–Meier curve for overall survival (OS)Back to article page