Key features SBRT
•
Reproducable rigid patient fixation
•
Managing tumor motion:
During imaging
During planning
During RT
•
Very steep dose gradients
•
Extreme high BED (100-180 Gy)
66Gy/2,75Gy
→
BED 85 Gy
3*20Gy
→
BED 180 Gy (∆ 95 Gy )