RadiotherapyRadiotherapy DosageRadiotherapy, ConformalRadiotherapy, AdjuvantRadiotherapy, Intensity-ModulatedRadiotherapy Planning, Computer-AssistedRadiotherapy, High-EnergyCombined Modality TherapyDose FractionationRadiation InjuriesRadiotherapy, Computer-AssistedRadiotherapy, Image-GuidedRadiation OncologyTreatment OutcomeResearch PersonnelRadiosurgeryHead and Neck NeoplasmsDose-Response Relationship, RadiationBrachytherapyNeoplasm Recurrence, LocalNeoplasm StagingChemoradiotherapyAntineoplastic Combined Chemotherapy ProtocolsNasopharyngeal NeoplasmsBrain NeoplasmsCarcinoma, Squamous CellDisease-Free SurvivalRadiation ToleranceRetrospective StudiesSurvival RateOrgans at RiskLung NeoplasmsSurvival AnalysisRadiation-Sensitizing AgentsFollow-Up StudiesRectal NeoplasmsChemotherapy, AdjuvantPrognosisParticle AcceleratorsCisplatinCranial IrradiationRadiometryProstatic NeoplasmsRadiation PneumonitisRadiation DosageNeoplasmsBreast NeoplasmsPelvic NeoplasmsBiomedical ResearchLaryngeal NeoplasmsMastectomy, SegmentalHodgkin DiseaseRadiodermatitisTime FactorsHeavy Ion RadiotherapyNeoplasms, Radiation-InducedVincristineTomography, X-Ray ComputedNeoplasms, Second PrimaryDacarbazineOrgan Sparing TreatmentsXerostomiaProcarbazineFluorouracilAntineoplastic AgentsNeoadjuvant TherapyRadioisotope TeletherapyPalliative CareSpinal NeoplasmsAdenocarcinomaCobalt RadioisotopesCarcinoma, Non-Small-Cell LungUterine Cervical NeoplasmsLymphatic IrradiationResearch DesignMechlorethamineCarcinomaGlioblastomaRadiation-Protective AgentsFeasibility StudiesKaplan-Meier EstimateResearchEthics, ResearchProspective StudiesClinical Trials as TopicSalvage TherapyBleomycinMastectomyIridium RadioisotopesSoftwareOsteoradionecrosisAntineoplastic Agents, AlkylatingPelvisEsophageal NeoplasmsGliomaLymphatic MetastasisThoracic NeoplasmsInternetTumor BurdenDoxorubicin