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Margin Recipe: Systematic Error and Random Errors
Systematic errors are assumed to have an independent effect on the blurred
dose distribution
Cumulative minimum dose ≥ 95%
M
r
=
β√(σ
2
+
σ
p
2
)
-
βσ
p
≥ 90% of population receives a
cumulative CTV dose of ≥ 95%
M = 2.5
Σ
+ M
r