CONCLUSION
VMAT-TBI is a modern alternative to conventional 2D-TBI treatment,
offering superior lung sparing with superior target coverage and similar
global Dmax. In addition, VMAT-TBI plans using auto-planning scripts
provided significant dose reductions in gonads, kidneys, brain, thyroid
and lenses.
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Figure 1: Dose distribution on the coronal view for patient 4 with
gonadal sparing for the 2D plan (left) and VMAT (right).
Figure 2: DVH comparison for the VMAT and 2D TBI treatment techniques
for patient 3.