Fig. 3From: IOERT versus external beam electrons for boost radiotherapy in stage I/II breast cancer: 10-year results of a phase III randomized studyKaplan-Meier curves of IBTR (a), out-field LR (b), DFS (c), and OS (d). IBTR, in breast true recurrence; LR, local recurrence; DFS, disease-free survival; OS, overall survival. IEORT arm (red line); EBRT arm (black line)Back to article page