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IntroductionActually ,radiationaloneisnotenoughtokilltumorcellsefficientlybecauseoftheradioresistanceoftumorcells .Itiswellknownthattumorsfromthesamehistolog icaloriginandofthesamedevelopmentstageareextreme lyheterogeneousintheirsensitivitytoradiotherapy
IntroductionActually, radiationaloneisnotenoughtokillumorcellsefficientlybecauseoftheradioresistanceoftumorcells .Itiswellknownthattumorsfromthesamehistologicalicaligandandheshesdevelopmentstageareextreme lyheterogeneousintheirsensitivitytoradiotherapy