RadiotherapyRadiotherapy DosageRadiotherapy, AdjuvantRadiotherapy, ConformalRadiotherapy, Intensity-ModulatedRadiotherapy Planning, Computer-AssistedRadiotherapy, High-EnergyCombined Modality TherapyDose FractionationRadiation InjuriesRadiotherapy, Computer-AssistedRadiotherapy, Image-GuidedTreatment OutcomeRadiation OncologyDose-Response Relationship, RadiationRadiosurgeryHead and Neck NeoplasmsNeoplasm Recurrence, LocalBrachytherapyNeoplasm StagingChemoradiotherapyAntineoplastic Combined Chemotherapy ProtocolsRadiation DosageRadiometryDisease-Free SurvivalBrain NeoplasmsNasopharyngeal NeoplasmsCarcinoma, Squamous CellOrgans at RiskRadiation ToleranceRetrospective StudiesSurvival RateLung NeoplasmsSurvival AnalysisRadiation-Sensitizing AgentsFollow-Up StudiesCisplatinRectal NeoplasmsChemotherapy, AdjuvantCranial IrradiationPrognosisParticle AcceleratorsTime FactorsProstatic NeoplasmsRadiation PneumonitisNeoplasms, Radiation-InducedBreast NeoplasmsNeoplasmsAntineoplastic AgentsPelvic NeoplasmsTomography, X-Ray ComputedDrug Administration ScheduleVincristineHodgkin DiseaseMastectomy, SegmentalLaryngeal NeoplasmsRadiodermatitisHeavy Ion RadiotherapyFluorouracilDacarbazineNeoplasms, Second PrimaryOrgan Sparing TreatmentsXerostomiaProcarbazineNeoadjuvant TherapyRadioisotope TeletherapyCobalt RadioisotopesAdenocarcinomaSpinal NeoplasmsCarcinoma, Non-Small-Cell LungPalliative CareLymphatic IrradiationRadiation-Protective AgentsMechlorethamineCarcinomaUterine Cervical NeoplasmsProspective StudiesGlioblastomaIridium RadioisotopesDoxorubicinAntineoplastic Agents, AlkylatingSalvage TherapyCyclophosphamideKaplan-Meier EstimateBleomycinGliomaTumor BurdenPelvisFeasibility StudiesMastectomyThoracic NeoplasmsEsophageal NeoplasmsOsteoradionecrosisLymphatic MetastasisVinblastinePatient PositioningProton TherapySarcomaRadiotherapy Setup ErrorsHeavy Ions