Comparison of User-Directed and Automatic Mapping of the Planned Isocenter to Treatment Space for Prostate IGRT

<table>Midsagittal slice from a tCT illustrating how prostate rotation is treated as a deformation. The white outline is the atlas prostate after automatic registration to the tCT. The black dashes are the deformed atlas in the tCT. </table>

International Journal of Biomedical Imaging

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Figure 4

Figure 4: Comparison of User-Directed and Automatic Mapping of the Planned Isocenter to Treatment Space for Prostate IGRT 