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. 2012 Apr 24;7:63. doi: 10.1186/1748-717X-7-63

Figure 2.

Figure 2

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 (CIPTV): b) Coverage index of the PTV (CovIPTV).