Cutaneous involvement of high‐grade B‐cell lymphoma with MYC and BCL6 rearrangements: A case report - Maejima, Eri; Oishi, Naoki; Ogawa, Youichi; Okamoto, Takashi; Mitsui, Hiroshi; Shimada, Shinji; Kawamura, Tatsuyoshi (Journal of dermatology, 2023)