Radiotherapy Setup ErrorsRadiotherapy, Image-GuidedRadiotherapy Planning, Computer-AssistedRadiotherapyRadiotherapy DosageRadiotherapy, ConformalPatient PositioningFiducial MarkersRadiotherapy, Intensity-ModulatedRadiotherapy, Computer-AssistedCone-Beam Computed TomographyDose FractionationRadiotherapy, AdjuvantSpiral Cone-Beam Computed TomographyAnatomic LandmarksImmobilizationRadiometryX-Ray Intensifying ScreensRadiosurgery