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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 1:

Figure 1:

Axial CT dose color wash from an IMRT plan (A) and multi-field optimized PBS PT plan (B) for whole breast and RNI demonstrating improved heart, lung, contralateral breast, and other soft tissue sparing with PT. The lumpectomy cavity CTV is highlighted in orange where a simultaneous integrated boost is administered to 56.26 Gy in 25 fractions, with the breast and nodal volumes (not shown) receiving 50 Gy.