Atypical pemphigus developed in a patient with urothelial carcinoma treated with nivolumab. Issue 3 (31st August 2018) - Ito, Michiko; Hoashi, Toshihiko; Endo, Yuki; Kimura, Go; Kondo, Yukihiro; Ishii, Norito; Hashimoto, Takashi; Funasaka, Yoko; Saeki, Hidehisa