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. 2020 Dec 19;22(1):68–75. doi: 10.1002/acm2.13105

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© 2020 The Authors. Journal of Applied Clinical Medical Physics published by Wiley Periodicals LLC on behalf of American Association of Physicists in Medicine

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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FIG. 1 — The SBRT isodose colorwash through the isocenter location for the clinical Halcyon VMAT (left panel) vs Truebeam VMAT plan (right panel) is shown for an example patient. A few critical structures shown are rectum (brown), bladder (yellow), sigmoid (purple), femoral heads (dark green), penial bulb (orange). The D2cm (light green) ring is shown. The top middle panel shows the DVH comparison for both plans with the identical PTV coverage (red); 95% of the PTV received 100% of the prescription dose and similar dose (~100%) to the prostate capsule (green). Triangles are clinical Halcyon VMAT and squares are the corresponding Truebeam VMAT plan. Identical target coverage and similar OAR sparing were achieved on both plans.