CD30(Expressed in a small subset of activated T and B lymphocytes, classical HL, anaplastic large cell lymphoma (ALCL), peripheral T-cell lymphoma (PTCL), adult T-cell leukemia/lymphoma; cutaneous T-cell lymphoma (CTCL); extra-nodal NK-T-cell lymphoma; and a variety of B-cell non-HLs, including diffuse large B-cell lymphoma, particularly EBV-positive diffuse large B-cell lymphoma). The gene discussed is TNFRSF8; the disease is adult T-cell leukemia/lymphoma.