Acute and Progressive Tracheal Stenosis after Proton Beam Therapy with Concurrent Chemotherapy for Non–Small Cell Lung Cancer. Issue 7 (July 2016) - Zenke, Yoshitaka; Umemura, Shigeki; Motegi, Atsushi; Furukawa, Kinya; Kirita, Keisuke; Matsumoto, Shingo; Yoh, Kiyotaka; Niho, Seiji; Ohmatsu, Hironobu; Tsuboi, Masahiro; Akimoto, Tetsuo; Goto, Koichi