Table 1 Dosimetric planning guidelines for breast VMAT
Structure | Parameter | Objective |
|---|---|---|
PTV | D95 (%) | ≥95% |
V95 (%) | ≥95% | |
D05 (%) | ≤110% | |
IMN | D95 (%) | ≥100% |
Ipsilateral Lung | V20 Gy (%) | ≤33% |
V10 Gy (%) | ≤68% | |
Mean (Gy) | ≤20Gy | |
Contralateral Lung | V20 Gy (%) | ≤8% |
Heart | V25 Gy | ≤25% |
Mean (Gy) | ≤9Gya; ≤8Gyb | |
Dmax (Gy) | ≤50Gy | |
LAD | Dmax (Gy) | ≤50Gy |
Contralateral intact breast | Mean (Gy) | ≤5Gy |
Contralateral implant | Mean (Gy) | ≤8Gy |
Esophagus | Dmax (Gy) | ≤50Gy |
Thyroid | Mean (Gy) | ≤20Gy |
Brachial Plexus | Dmax (Gy) | ≤55Gy |