Radiography, ThoracicTomography, X-Ray ComputedSolitary Pulmonary NoduleRadiographic Image Interpretation, Computer-AssistedRadiographic Image EnhancementImage Processing, Computer-AssistedSensitivity and SpecificityLung NeoplasmsSubtraction TechniqueImaging, Three-DimensionalImage Interpretation, Computer-AssistedArtifactsReproducibility of ResultsAlgorithmsCone-Beam Computed TomographyPhantoms, ImagingPositron-Emission TomographyRadiotherapy Planning, Computer-AssistedTomography, Spiral ComputedRadiography, AbdominalPattern Recognition, AutomatedFour-Dimensional Computed TomographyFluorodeoxyglucose F18Multimodal ImagingRadiopharmaceuticalsRadiotherapy, Image-GuidedMultidetector Computed TomographyWhole Body ImagingRadiation DosageObserver VariationContrast MediaData CompressionRadiometryModels, AnatomicAutomationPneumoradiographyRadiotherapy, Computer-AssistedIohexolSurgery, Computer-AssistedRetrospective StudiesRadiography, DentalImage EnhancementArtificial IntelligenceFeasibility StudiesDiagnosis, Computer-AssistedLatency Period (Psychology)Respiratory-Gated Imaging TechniquesFiducial MarkersPubic SymphysisDiagnostic ImagingOssification of Posterior Longitudinal LigamentTomography Scanners, X-Ray ComputedTomography, Emission-ComputedEquipment DesignRadiation ProtectionRadiotherapy DosageAnatomy, Cross-SectionalTomography, Emission-Computed, Single-PhotonThoracic NeoplasmsBronchographyVisible Human ProjectsIopamidolSoftwareComputer SimulationRadiography, Dual-Energy Scanned ProjectionRadiologyNormal DistributionRadiation OncologyRadiography, PanoramicX-Ray MicrotomographyBrainRespirationFluorine RadioisotopesRadiology Information SystemsMovementRadiotherapy, Intensity-ModulatedPutaminal HemorrhagePredictive Value of TestsEquipment Failure AnalysisSignal-To-Noise RatioRadiotherapy, ConformalMandibleMagnetic Resonance ImagingCervical VertebraeRadiography, InterventionalROC CurveLiver NeoplasmsIodine RadioisotopesLungTime FactorsBrachytherapyFinite Element AnalysisFalse Negative ReactionsOrbitTemporal BoneModels, StatisticalCadaverDental ImplantsSkullTissue Survival