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. Author manuscript; available in PMC: 2022 Oct 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2021 May 25;111(2):337–359. doi: 10.1016/j.ijrobp.2021.05.110

Figure 4:

Figure 4:

Axial (A, B, E), sagittal (C, F), and coronal (D, G) 50% color wash images demonstrating a two proton field, multi field optimization (MFO) plan avoiding delivery through the magnetic expander port of the reconstructed breast while achieving comprehensive target coverage. Individual dose deposition profiles from the en face field (B-D) and the more tangential beam angle (D-F) are displayed.