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. 2021 Aug 12;69(1):85–97. doi: 10.1002/jmrs.534

Figure 1.

Figure 1

Planning techniques used for dosimetric plan comparison. Field arrangements for (a) h‐VMAT, (b) bowtie‐VMAT and (c) ipsi‐VMAT plans. The h‐VMAT technique includes 2 base‐tangential IMRT fields, 1 base anterior oblique IMRT field and 2–3 ipsilateral VMAT arcs. The bowtie‐VMAT technique consists of 3 ipsilateral VMAT arcs, 2 of which restrict fluence delivery to tangential portals (via 70° appositional avoidance sectors). The ipsi‐VMAT technique consists of 3 ipsilateral VMAT arcs.