Primary cutaneous anaplastic large cell lymphoma with DUSP22‐IRF4 rearrangement demonstrating a biphasic histopathologic pattern and a complete natural regression. Issue 9 (13th May 2022) - Kitajima, Yuki; Yamashina, Mayu; Hanamoto, Mami; Shijimaya, Takako; Terai, Sayaka; Nakamaru, Sei; Makimura, Kaoru; Inoue, Norihito; Takeuchi, Kengo; Kiyohara, Takahiro