Linear Energy TransferHeavy IonsDose-Response Relationship, RadiationAlpha ParticlesFast NeutronsRadiotherapyRadiotherapy DosageEnergy MetabolismRadiation InjuriesRadiation DosageRadiotherapy, ConformalRadiotherapy, AdjuvantRadiation, IonizingRadiotherapy, High-EnergyRadiotherapy, Intensity-ModulatedCosmic RadiationRadiation Tolerance