Boost V would be
excessively large
\
GTV
PTV
ITV CTV
10 mm 5 5 5
-2
0
2
95
90
85
80
Distance from center of GTV-N [cm]
Dose [%]
100
105
110
From GTV to CTV to ITV to PTV
x Multiple Nodes
0.5 cm
3
33.5 cm