69 / 1224
Delivery Technology
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
159 MeV Protons
192
Ir (400 keV)
Relative Depth Dose
Depth in Water (cm)
Energy
Dwell Position (3D)
ERT
BRT
”Multi-Spots”
Modern Radiation Therapy