In addition, CD30 is universally expressed in HL and anaplastic large cell lymphoma (ALCL).68,69 Other lymphoproliferative disorders, such as DLBCL, primary mediastinal B-cell lymphoma (PMBCL), peripheral T-cell lymphoma (PTCL), mycosis fungoides (MF), Sézary syndrome (SS) and adult T-cell leukemia/lymphoma (ATLL), can also express CD30 to various degrees.70–72. This evidence concerns the gene TNFRSF8 and lymphoproliferative syndrome.