Hodgkin DiseaseReed-Sternberg CellsAntigens, CD30MechlorethamineProcarbazineBleomycinVinblastineDacarbazineAntigens, CD20Epstein-Barr Virus InfectionsVincristineLymphomaPrednisoneNeoplasms, Second PrimaryLymph NodesLymphoma, Large B-Cell, DiffuseLymphoma, Non-HodgkinDoxorubicinAntineoplastic Combined Chemotherapy ProtocolsLymphocytesCombined Modality TherapyB-LymphocytesImmunohistochemistrySurvival RateTreatment OutcomeSurvival AnalysisRetrospective StudiesPrognosisFollow-Up StudiesTumor Cells, CulturedTime FactorsHerpesvirus 4, Human