EP-1840 comparing the dosimetric impact of omentum spacer in carbon-ion, proton and photon radiotherapy. (April 2019) - Yamada, M.; Sato, H.; Ono, T.; Ieko, Y.; Kanai, T.; Yano, N.; Akamatsu, H.; Harada, M.; Ichikawa, M.; Kikuchi, Y.; Nemoto, K.