Notable therapeutic response in a patient with systemic juvenile xanthogranuloma with KIF5B‐ALK fusion. Issue 11 (10th July 2021) - Sugiyama, Minako; Hirabayashi, Shinsuke; Ishi, Yukitomo; Kikuchi, Junko; Ishikura, Ayako; Motegi, Hiroaki; Ueda, Yuki; Sawai, Saori; Hara, Kazuya; Terashita, Yukayo; Cho, Yuko; Takakuwa, Emi; et al.