Target Volume Determination 2016

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Margin recipe
• To cover 90% of the patients with the 95%
isodose level:
Margin = 2.5 * Ʃ + 0.7 * σ
Where
Ʃ = Ʃ organmotion
2 + Ʃsetup
2 + Ʃdelineation
2
σ = σorganmotion
2 + σsetup
2