Margin for SBRT
0
2
4
6
8
10
12
14
16
18
20
5
15
Tumor Amplitude [mm]
PTV Margin [mm]
mean Tumor
mean Bone
ITV Tumor
ITV Bone
Sonke et al. IJROBP, 2009
84.0 )
( 84.0 5.2
p
M