Figure 2From: Critical appraisal of the accuracy of Acuros-XB and Anisotropic Analytical Algorithm compared to measurement and calculations with the compass system in the delivery of RapidArc clinical plansGraphical summary of the failure rate after 3D gamma analysis (with thresholds set to 3%/3Â mm (a) or to 2%/2Â mm (b)). Data, presented for various significant volumes or organs at risk, are presented separately for the five groups: head and neck, thorax, pelvis and SBRT clinical cases.Back to article page