Radiotherapy DosageRadiotherapyRadiotherapy, ConformalRadiotherapy, AdjuvantRadiotherapy, Intensity-ModulatedRadiotherapy Planning, Computer-AssistedRadiotherapy, High-EnergyCombined Modality TherapyDose FractionationRadiation InjuriesRadiotherapy, Computer-AssistedRadiotherapy, Image-GuidedRadiation OncologyTreatment OutcomeRadiosurgeryDose-Response Relationship, RadiationHead and Neck NeoplasmsBrachytherapyNeoplasm Recurrence, LocalGene DosageNeoplasm StagingDosage Compensation, GeneticChemoradiotherapyAntineoplastic Combined Chemotherapy ProtocolsNasopharyngeal NeoplasmsBrain NeoplasmsDisease-Free SurvivalCarcinoma, Squamous CellRadiation ToleranceRetrospective StudiesSurvival RateOrgans at RiskSurvival AnalysisDosage FormsLung NeoplasmsRadiation-Sensitizing AgentsFollow-Up StudiesRectal NeoplasmsChemotherapy, AdjuvantCisplatinParticle AcceleratorsPrognosisCranial IrradiationRadiation DosageRadiometryProstatic NeoplasmsRadiation PneumonitisPelvic NeoplasmsBreast NeoplasmsLaryngeal NeoplasmsMastectomy, SegmentalHodgkin DiseaseTime FactorsNeoplasms, Radiation-InducedRadiodermatitisHeavy Ion RadiotherapyVincristineDacarbazineTomography, X-Ray ComputedNeoplasms, Second PrimaryNeoplasmsOrgan Sparing TreatmentsAntineoplastic AgentsProcarbazineFluorouracilXerostomiaNeoadjuvant TherapyRadioisotope TeletherapyDrug Administration ScheduleSpinal NeoplasmsPalliative CareAdenocarcinomaCobalt RadioisotopesCarcinoma, Non-Small-Cell LungLymphatic IrradiationMechlorethamineCarcinomaUterine Cervical NeoplasmsRadiation-Protective AgentsGlioblastomaProspective StudiesSalvage TherapyKaplan-Meier EstimateBleomycinDoxorubicinAntineoplastic Agents, AlkylatingMastectomyIridium RadioisotopesGliomaEsophageal NeoplasmsOsteoradionecrosisPelvisLymphatic MetastasisCyclophosphamideThoracic NeoplasmsTumor BurdenVinblastinePatient PositioningFeasibility StudiesSarcoma