Fig. 2.

Example of out-of-field dose on the arm for a patient with lateral located tumour. Left the PTV in green and the isodoses are shown, in orange the 95% isodose (region of interest and isodose legend displayed in the figure). Upper left: sagittal, lower left: coronal image. Lower right a three dimensional reconstruction of the patient, including ipsilateral, controlateral breast, PTV and bolus on the right arm is shown. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)