Neoplasm MetastasisRadiotherapyRadiotherapy DosageRadiotherapy, AdjuvantRadiotherapy, ConformalLymphatic MetastasisCombined Modality TherapyRadiotherapy, Intensity-ModulatedRadiotherapy Planning, Computer-AssistedRadiotherapy, High-EnergyLung NeoplasmsDose FractionationRadiation InjuriesNeoplasm StagingRadiotherapy, Computer-AssistedRadiotherapy, Image-GuidedNeoplasmsLiver NeoplasmsNeoplasm Recurrence, LocalTreatment OutcomeBreast NeoplasmsPancreatic NeoplasmsNeoplasm InvasivenessPrognosisBrain NeoplasmsRetrospective StudiesHead and Neck NeoplasmsRadiosurgeryAdenocarcinomaCarcinoma, Squamous CellSurvival RateSkin NeoplasmsRadiation OncologyProstatic NeoplasmsSurvival AnalysisCell Line, TumorDisease-Free SurvivalTomography, X-Ray ComputedCarcinomaAntineoplastic Combined Chemotherapy ProtocolsBrachytherapyNasopharyngeal NeoplasmsImmunohistochemistryNeoplasms, Second PrimarySpinal NeoplasmsDose-Response Relationship, RadiationFollow-Up StudiesRectal NeoplasmsTumor Markers, BiologicalMelanomaChemoradiotherapyKidney NeoplasmsNeoplasm TransplantationColorectal NeoplasmsNeoplasms, Multiple PrimaryCranial IrradiationAntineoplastic AgentsChemotherapy, AdjuvantThyroid NeoplasmsMice, NudeNeoplasms, Radiation-InducedPelvic NeoplasmsTime FactorsGene Expression Regulation, NeoplasticRadiation ToleranceCisplatinNeoplasms, Cystic, Mucinous, and SerousLaryngeal NeoplasmsStomach NeoplasmsSoft Tissue NeoplasmsRadiation-Sensitizing AgentsLymph NodesOrgans at RiskDisease ProgressionKaplan-Meier EstimateNeoplasms, ExperimentalEsophageal NeoplasmsEye NeoplasmsMeningeal NeoplasmsNeoplasm ProteinsColonic NeoplasmsSarcomaFluorouracilFatal OutcomeParticle AcceleratorsTumor BurdenThoracic NeoplasmsNeoadjuvant TherapyAbdominal NeoplasmsTesticular NeoplasmsNose NeoplasmsPalliative CareRadiation DosageRadiometryCarcinoma, PapillaryHodgkin DiseaseLymph Node ExcisionUterine Cervical NeoplasmsGastrointestinal NeoplasmsCarcinoma, Non-Small-Cell Lung