External-Beam-Accelerated Partial-Breast Irradiation Reduces Organ-at-Risk Doses Compared to Whole-Breast Irradiation after Breast-Conserving Surgery. - Ott, Oliver J.; Stillkrieg, Wilhelm; Lambrecht, Ulrike; Schweizer, Claudia; Lamrani, Allison; Sauer, Tim-Oliver; Strnad, Vratislav; Bert, Christoph; Hack, Carolin C.; Beckmann, Matthias W.; Fietkau, Rainer (Cancers, 2023)