Fig. 1From: Evaluation of plan robustness on the dosimetry of volumetric arc radiotherapy (VMAT) with set-up uncertainty in Nasopharyngeal carcinoma (NPC) radiotherapySteps in robustness and biological evaluation of volumetric arc radiotherapy (VMAT) of NPC. U1 ~ U5 represented 5 set-up uncertainties acquired from the first 5 times daily CBCT. T-plan: Treatment plan; U-plan: Uncertainty planBack to article page