ALK and diffuse large B-cell lymphoma: However, it still keeps most previously defined entities: DLBCL, NOS, T-cell/histiocyte-rich LBCL, primary cutaneous DLBCL-leg type, intravascular LBCL, Epstein–Barr virus-positive (EBV+) DLBCL, DLBCL associated with chronic inflammation, ALK-positive LBCL, plasmablastic lymphoma, primary mediastinal B-cell lymphoma, and HGBCL.