Keywords: BCL6 corepressor; BCL6 corepressor loss; CD20; CD30– T-cell lymphoma; CD30– cutaneous T-cell lymphoma; CD30– lymphoma; T-cell lymphoma; TAK-228; cutaneous T-cell lymphoma, cutaneous T-cell lymphoma, not otherwise specified; mTOR, mammalian target of rapamycin; mammalian target of rapamycin; mammalian target of rapamycin inhibitor; mammalian target of rapamycin mutation; pcPTCL-NOS, primary cutaneous peripheral T-cell lymphoma, not otherwise specified; peripheral T-cell lymphoma; peripheral T-cell lymphoma, not otherwise specified; peripheral T-cell lymphoma, unspecified; primary cutaneous lymphoma; primary cutaneous peripheral T cell lymphoma, not otherwise specified; primary cutaneous peripheral T-cell lymphoma; rituximab.