Successful treatment of dumbbell‐shaped Hodgkin lymphoma with massive sacral bone destruction. Issue 5 (17th February 2020) - Sugiyama, Minako; Terashita, Yukayo; Cho, Yuko; Iguchi, Akihiro; Arai, Ryuta; Takakuwa, Emi; Honda, Shohei; Manabe, Atsushi