Radiotherapy, Intensity-ModulatedRadiotherapy DosageRadiotherapy Planning, Computer-AssistedRadiotherapyTomography, Spiral ComputedRadiotherapy, ConformalParticle AcceleratorsOrgans at RiskRadiotherapy, Image-GuidedRadiometryRadiotherapy, Computer-AssistedDose FractionationRadiation InjuriesRadiotherapy, AdjuvantRadiotherapy, High-EnergyCombined Modality TherapyOrgan Sparing TreatmentsRadiosurgeryDose-Response Relationship, RadiationRadiation DosageLymphatic IrradiationHead and Neck NeoplasmsTreatment OutcomePatient PositioningPhantoms, ImagingCranial IrradiationBrain NeoplasmsLung NeoplasmsNeoplasm StagingRadiation OncologySpinal NeoplasmsRectal NeoplasmsTomography, X-Ray ComputedRetreatmentFeasibility StudiesProstatic NeoplasmsBrachytherapyNeoplasm Recurrence, LocalRetrospective StudiesChemoradiotherapyProne PositionAntineoplastic Combined Chemotherapy ProtocolsNasopharyngeal NeoplasmsDisease-Free SurvivalCarcinoma, Squamous CellRadiation ToleranceNeoplasmsCarcinoma, Non-Small-Cell LungSurvival RateRadiation-Sensitizing AgentsSurvival AnalysisFollow-Up StudiesChemotherapy, AdjuvantEsophagusCisplatinPrognosisCalibrationAlgorithmsRadiation PneumonitisMovementPelvic NeoplasmsLaryngeal NeoplasmsMastectomy, SegmentalBreast NeoplasmsHodgkin DiseaseRadiodermatitisHeavy Ion RadiotherapyNeoplasms, Radiation-InducedVincristineNeoplasms, Second PrimaryDacarbazineXerostomiaProcarbazineFluorouracilNeoadjuvant TherapyRadioisotope TeletherapyCarcinoma, HepatocellularAntineoplastic AgentsEquipment DesignTime FactorsLiver NeoplasmsPalliative CareAdenocarcinomaCobalt RadioisotopesMechlorethamineUterine Cervical NeoplasmsCarcinomaGlioblastomaRadiation-Protective AgentsLungSalvage TherapyBleomycinKaplan-Meier EstimateMastectomyIridium RadioisotopesOsteoradionecrosisAntineoplastic Agents, AlkylatingPelvisEsophageal NeoplasmsGlioma