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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Pract Radiat Oncol. 2019 May 9;9(5):e473–e481. doi: 10.1016/j.prro.2019.04.013

Figure 4.

Figure 4

Example case 1. Cardiac-optimized volumetric modulated arc therapy plan (top). Intensity modulated proton therapy plan (bottom). Dose thresholding including low-dose color wash: 10 Gy (blue), 35 Gy (green), 60 Gy (red).