Figure 2From: Dosimetric consequences of translational and rotational errors in frame-less image-guided radiosurgery Linear regression [solid line] and 90% prognosis [dashed line] between 3D set-up errors and changes of the dose distribution to the PTV: a) Paddick conformity index of the PTV (CI PTV ): b) Coverage index of the PTV (CovI PTV ). Back to article page