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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