SBRT 2016

Margin Recipe: Systematic Error and Random Errors

Cumulative minimum dose ≥ 95% M r = β√(σ 2 + σ p 2 ) - βσ p

 Systematic errors are assumed to have an independent effect on the blurred dose distribution

≥ 90% of population receives a cumulative CTV dose of ≥ 95% M = 2.5 Σ + M r