693 / 1578
The “blurring” part: random
•
Cumulative minimum dose to CTV ≥ 95% of prescription dose
SBRT 2017 - D. Verellen
% of D
norm
β
95%
1.64
80%
0.84
70%
0.52
60%
0.25
σ
p
Water
3.2
Lung
6.4
M
r
=
β σ
2
+
σ
p
2
−
βσ
p
But, what about:
IMRT, VMAT,
Helical TomoTherapy?
This is where things get complicated in SRS/SBRT