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Figure 5 | Radiation Oncology

Figure 5

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

Figure 5

Isodose distribution in axial slices for IMRT technique of a pelvis 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 the contoured ROIs in the planning CT (solid) and CBCT (dashed). An additional rectum volume was contoured and evaluated in the DVH (dashed-dotted) due to a reduced rectum filling in the CBCT data set.

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