Simultaneous Presentation of Hemophagocytic Lymphohistiocytosis and Classical Hodgkin’s Lymphoma in a Patient With Underlying Germline Homozygous STXBP2 Mutation. Mediterr J Hematol Infect Dis 2026, 18 (1), e2026043. https://doi.org/10.4084/MJHID.2026.043.