Sarcoma, KaposiHerpesvirus 8, HumanSarcomaSicilyLymphoma, Primary EffusionGiant Lymph Node HyperplasiaAcquired Immunodeficiency SyndromeHerpesviridae InfectionsSarcoma, EwingSarcoma, SynovialAvian Sarcoma VirusesHemangioendotheliomaSkin NeoplasmsLymphoma, AIDS-RelatedSarcoma, ExperimentalSarcoma 180ChilblainsAIDS-Related Opportunistic InfectionsHIV InfectionsSarcoma Viruses, MurineAntiretroviral Therapy, Highly ActiveCD4 Lymphocyte CountViral LoadViral ProteinsHerpesvirus 7, HumanSoft Tissue NeoplasmsDNA, ViralSarcoma, AvianHIV SeropositivityHIV SeronegativityHistiocytic SarcomaIncidenceVirus LatencyImmune Reconstitution Inflammatory SyndromeAnti-HIV AgentsAntigens, ViralHemangiomaSarcoma, MyeloidSarcoma, Endometrial StromalPolymerase Chain ReactionSarcoma, Clear CellUgandaEndothelial CellsItalyImmunohistochemistryBiopsyNuclear ProteinsAntibodies, ViralSarcoma, YoshidaSeroepidemiologic StudiesKirsten murine sarcoma virusDoxorubicinHIV-1Moloney murine sarcoma virus