1078 / 1674
3D-CRT
%
IMRT
%
Tomo
%
Proton
%
Ipsilat. non-PTV breast - V50
40.9
33.3
22.8
16.5
Ipsilat. lung - V20
6.0
2.3
14.2
0.4
Heart - V20
1.5
1.2
8.0
0.0
-
all four techniques
showed acceptable coverage of the PTV
-
IMRT spared more normal breast
tissue and lung than 3D-CRT
- non-PTV breast sparing was achieved at the cost of considerable dose
exposure to the lung and heart in Tomo
-
proton beam
irradiation provided the
less dose
to organs at risk
Moon et al. Radiother Oncol 90:66-73. 2009
Results and conclusions