RadiotherapyRadiotherapy DosageRadiotherapy, ConformalRadiotherapy, AdjuvantRadiotherapy, Intensity-ModulatedComputersRadiotherapy Planning, Computer-AssistedRadiotherapy, High-EnergyCombined Modality TherapyDose FractionationRadiation InjuriesRadiotherapy, Computer-AssistedRadiotherapy, Image-GuidedRadiation OncologyTreatment OutcomeRadiosurgeryDose-Response Relationship, RadiationHead and Neck NeoplasmsBrachytherapyNeoplasm Recurrence, LocalNeoplasm StagingChemoradiotherapyComputer SimulationAntineoplastic Combined Chemotherapy ProtocolsNasopharyngeal NeoplasmsBrain NeoplasmsDisease-Free SurvivalCarcinoma, Squamous CellRadiation ToleranceRetrospective StudiesOrgans at RiskSurvival RateRadiation-Sensitizing AgentsSurvival AnalysisLung NeoplasmsFollow-Up StudiesRectal NeoplasmsChemotherapy, AdjuvantParticle AcceleratorsCisplatinPrognosisCranial IrradiationRadiometryRadiation DosageProstatic NeoplasmsRadiation PneumonitisPelvic NeoplasmsBreast NeoplasmsTomography, X-Ray ComputedLaryngeal NeoplasmsMastectomy, SegmentalAttitude to ComputersHodgkin DiseaseRadiodermatitisHeavy Ion RadiotherapyNeoplasms, Radiation-InducedVincristineTime FactorsNeoplasms, Second PrimaryDacarbazineOrgan Sparing TreatmentsXerostomiaProcarbazineNeoplasmsFluorouracilNeoadjuvant TherapyAntineoplastic AgentsRadioisotope TeletherapyComputer PeripheralsSpinal NeoplasmsPalliative CareAdenocarcinomaCobalt RadioisotopesCarcinoma, Non-Small-Cell LungLymphatic IrradiationMechlorethamineComputer LiteracyUterine Cervical NeoplasmsCarcinomaGlioblastomaRadiation-Protective AgentsComputer SystemsSalvage TherapyPelvisBleomycinKaplan-Meier EstimateMastectomyIridium RadioisotopesFeasibility StudiesProspective StudiesOsteoradionecrosisAntineoplastic Agents, AlkylatingGliomaEsophageal NeoplasmsLymphatic MetastasisThoracic NeoplasmsPatient PositioningTumor BurdenDoxorubicinRadiotherapy Setup Errors