Skin Dose Reduction by Layer-Stacking Irradiation in Carbon Ion Radiotherapy for Parotid Tumors

Nobuteru Kubo^*, Yoshiki Kubota, Takahiro Oike, Hidemasa Kawamura, Makoto Sakai, Ayaka Imamura, Shuichiro Komatsu, Yuhei Miyasaka, Hiro Sato, Atsushi Musha, Naoko Okano, Katsuyuki Shirai, Jun Ichi Saitoh, Kazuaki Chikamatsu, Tatsuya Ohno