Toxicities of organs at risk in the Mediastinal and Hilar regions following stereotactic body radiotherapy for centrally located lung tumors

Shuichi Nishimura, Atsuya Takeda, Naoko Sanuki, Satoshi Ishikura, Yohei Oku, Yousuke Aoki, Etsuo Kunieda, Naoyuki Shigematsu