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Clinical goals used to evaluate the VMAT plans
| Volume of interest | Dosimetric goal |
| PTV | D95% ≥ 34.2 Gy |
| PTV | D50% = 36 Gy ± 1% |
| PTV | D1% ≤ 38.52 Gy |
| Lungs-GTV | V20 Gy ≤ 30% |
GTV, gross tumour volume; PTV, planning target volume; VMAT, volumetric modulated arc therapy.
