Radiation DosageAntineoplastic AgentsRadiation, IonizingRadiation InjuriesDose-Response Relationship, RadiationRadiation ToleranceRadiationDrug Screening Assays, AntitumorCell Line, TumorRadiation ProtectionRadiation MonitoringNeoplasmsDoxorubicinApoptosisDrug Resistance, NeoplasmRadiation OncologyCell SurvivalAntineoplastic Agents, PhytogenicCisplatinAntibiotics, AntineoplasticCosmic RadiationDrug Delivery SystemsRadiation Injuries, ExperimentalGamma RaysTumor Cells, CulturedRadiation PneumonitisDrug CarriersDNA DamageXenograft Model Antitumor AssaysMice, NudeNeoplasms, Radiation-InducedRadiation-Sensitizing AgentsRadiotherapyBackground RadiationEllipticinesCell ProliferationUltraviolet RaysEtoposideCamptothecinPaclitaxelCombined Modality TherapyRadiometryRadiotherapy Dosage