792 / 1694
2.8mm
±
1.6mm
Guckenberger Radiat Oncol 2006
<34min : 2.2mm
>34min : 5.3mm
Prudie et al. 2007
Intra-fractional changes of the tumor position
0
2
4
6
8
10
12
0
10
20
30
40
Fraktionsdauer (min)
Intrafractional drift (mm)
Patient i mobilization with
vacuum cushion and double
vacuum technique
Pulmonary SBRT