Clinical GyE: the NIRS approach and the dependency of RBE from dose per fraction

P. Fossati, N. Matsufuji, T. Kamada, H. Tsuji, A. Hasegawa, R. Orecchia & H. Tsujii
Background: The majority of modern heavy ion radiotherapy has been performed at NIRS in Japan. For some tumor sites unparalleled local control rates have been achieved. At NIRS a biologically flat SOBP is created with an adequately shaped ridge filter. Ridge filters have been shaped for a dose per fraction[for full text, please go to the a.m. URL]