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Description of the treatment plans used in this study.
| Plan name | Number of beams | Total MU | Comments | |
|---|---|---|---|---|
| IMRT0 | 7 | 1542 |
|
Step‐and shoot delivery Equally spaced beams |
| IMRT1 | 7 | 1772 | ||
| IMRT2 | 7 | 1733 | ||
| IMRT3 | 9 | 1747 | ||
| IMRT4 | 9 | 1818 | ||
| VMAT1 | 2 | 1711 |
|
Full arcs Variable dose rate |
| VMAT2 | 2 | 1871 | ||
| VMAT3 | 2 | 2114 | ||
| VMAT4 | 3 | 1469 | ||
Five step‐and‐shoot IMRT plans and four full arc VMAT plans were individually optimized to ensure a variety of plans with unique solutions were investigated.
