Lymphoma, T-Cell, CutaneousMycosis FungoidesSkin NeoplasmsLymphomatoid PapulosisLymphoma, B-CellLymphomaLymphoma, T-CellLymphoma, Large B-Cell, DiffuseLymphoma, Non-HodgkinSezary SyndromePanniculitisLymphoma, Large-Cell, AnaplasticLymphoma, FollicularAntigens, CD30Burkitt LymphomaLymphoma, B-Cell, Marginal ZoneLymphoma, Mantle-CellAntigens, CD56Lymphoma, T-Cell, PeripheralLymphoma, AIDS-RelatedImmunophenotypingSkin DiseasesSocieties, MedicalHodgkin DiseaseNeoplasm StagingImmunohistochemistryPrognosisLymphoma, Large-Cell, ImmunoblasticSkinT-Lymphocyte SubsetsVincristineB-LymphocytesReceptors, Antigen, T-CellFlow CytometryEuropeAntibodies, Monoclonal, Murine-DerivedRetrospective StudiesPrednisoneAntigens, CD20Lymph NodesAntibodies, MonoclonalCD4-Positive T-LymphocytesTranslocation, GeneticLymphoma, Extranodal NK-T-CellCyclophosphamide