Proton TherapyProtonsRadiotherapy Planning, Computer-AssistedRadiotherapy DosageRadiotherapy, Intensity-ModulatedNeoplasmsOrgans at RiskRadiometryCraniospinal IrradiationCell Line, TumorNeutronsChordomaAntineoplastic AgentsApoptosisMonte Carlo MethodProton PumpsPhotonsOncolytic VirotherapyRadiotherapy, ConformalRadiotherapy, High-EnergyRelative Biological EffectivenessRadiation InjuriesDrug Screening Assays, AntitumorXenograft Model Antitumor AssaysUncertaintyCell DeathCell SurvivalFour-Dimensional Computed TomographyScattering, RadiationRadiation DosageRadiation OncologyPhantoms, ImagingFibromatosis, AbdominalProstatic NeoplasmsRadiotherapyRadiotherapy, Computer-AssistedTumor BurdenDose-Response Relationship, RadiationProton Pump InhibitorsLung NeoplasmsTomography, X-Ray ComputedEarly Detection of CancerNeoplasms, Radiation-InducedAlgorithmsCarcinoma, Non-Small-Cell LungNeoplasms, Second PrimaryReproducibility of ResultsMagnetic Resonance SpectroscopyOvarian NeoplasmsHydrogen-Ion ConcentrationNeoplasm StagingModels, BiologicalRetrospective StudiesPositron-Emission TomographyBreast NeoplasmsMovementSpineColonic NeoplasmsStomach NeoplasmsComputer Simulation