Fig. 3From: Proton pencil beam scanning reduces secondary cancer risk in breast cancer patients with internal mammary chain involvement compared to photon radiotherapyEAR difference as a function of the age of exposure (EAR30–70–EAR50–70) for the single patients included in the analysis. The EAR difference is shown for the contralateral breast for Group 1 patients treated with tangential 3D-CRT vs PT (top panel) and for Group 2 patients treated with VMAT versus PT in the case of FB (middle panel) and DIBH (bottom panel)Back to article page