Figure 6
From: Investigation of the usability of conebeam CT data sets for dose calculation

Isodose distribution in axial slices for IMRT technique of a thorax patient: (a) dose calculation based on planning CT and standard HU-D table and (b) dose in CBCT using the patient based HU-D table and (c) DVH for contoured ROIs in the planning CT (solid) and CBCT (dashed). The lungs were recontoured in the CBCT data set and included in the DVH evaluation (dashed-dotted).