OC-0474: Hypofractionated WBI plus IOERT-boost in early stage breast cancer (HIOB): Updated results of a prospective trial. (April 2015) - Fastner, G.; Reitsamer, R.; Murawa, D.; Milecki, P.; Hager, E.; Ciabattoni, A.; Brimmer, R.; Reiland, J.; Budach, W.; Sedlmayer, F.