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. Author manuscript; available in PMC: 2019 Feb 15.
Published in final edited form as: Phys Med Biol. 2018 Feb 15;63(4):045015. doi: 10.1088/1361-6560/aaa94f

Figure 4.

Figure 4

(a) The cumulative dose distribution (summed over all five fractions) for the FV plan using average of 5.8 beams per fraction (first row) as well as a 6-beam FI plan (second row) and a 12-beam FI plan (third row). A plan made using Eclipse with 12 evenly spaced beams is shown in the fourth row. Isodose lines for 50%, 80%, and 95% of the prescription dose are shown in black. Dose below 5 Gy is not shown. (b)–(c) Dose-volume histograms for digital phantom case “PHM”, comparing FV plan that uses 5.8 beams per fraction (solid) with FI plans (dotted) using (b) 6 beams, and (c) 12 beams.