696 / 1578
Margins and the “van Herk recipe”
•
“Blurring” part: cumulative minimum dose ≥ 95% of D
p
•
“Shifting part: ≥90% of population receives a cumulative CTV
dose ≥ 95% of D
p
SBRT 2017 - D. Verellen
M
r
=
β σ
2
+
σ
p
2
−
βσ
p
M
=
α
Σ +
M
r
α
=
2.5
β
=
1.64