Prospective study of postoperative whole breast radiotherapy for Japanese large-breasted women: A clinical and dosimetric comparisons between supine and prone positions and a dose measurement using a breast phantom

This prospective study aimed to compare dose volume histograms (DVH) of the breasts and organs at risk (OARs) of whole breast radiotherapy in the supine and prone positions, and frequency and severity of acute and late toxicities were analyzed.