Nasopharyngeal NeoplasmsCarcinomaCell Line, TumorKB CellsRadiation ToleranceMice, NudeHerpesvirus 4, HumanCarcinoma, Squamous CellEpstein-Barr Virus InfectionsCarcinoma, HepatocellularViral Matrix ProteinsRadiotherapy, Intensity-ModulatedCarcinoma in SituNeoplasm StagingEpstein-Barr Virus Nuclear AntigensPrognosisImmunohistochemistryCarcinoma, PapillaryGene Expression Regulation, NeoplasticTumor Markers, BiologicalLiver NeoplasmsNeoplasm Recurrence, LocalNeoplasm MetastasisNasopharynxRadiotherapy DosageNeoplasm InvasivenessRadiation InjuriesChinaHelminthsCisplatinCarcinoma, Ductal, BreastTumor Cells, CulturedCarcinoma, Basal CellOsteoradionecrosisSurvival RateCombined Modality TherapyDisease-Free SurvivalImmunoglobulin ARadiotherapyRetrospective StudiesAntigens, ViralTreatment OutcomeLymphatic MetastasisXerostomia