Table 1 Objective setting and weight for inverse optimization
From: Feasibility of constant dose rate VMAT in the treatment of nasopharyngeal cancer patients
ROI | Type | Target(cGy) | % Volume | Weight |
|---|---|---|---|---|
PTV-GTV | Min Dose | 6930 | 20 | |
PTV-GTV | Uniform Dose | 7000 | 10 | |
PTV-GTV | Max Dose | 7700 | 10 | |
PTV-CTV | Min Dose | 5544 | 20 | |
PTV-CTV | Uniform Dose | 5600 | 10 | |
PTV-CTV | Max Dose | 6160 | 10 | |
Brainstem | Max Dose | 5000 | 1 | |
Cord | Max Dose | 4000 | 1 | |
R parotid | Max EUD A1 | 2600 | 40 | 1 |
L parotid | Max EUD A1 | 2600 | 40 | 1 |
lens | Max Dose | 700 | 1 | |
1 cm Ring out CTV | Max DVH | 5600 | 10 | 1 |