1408 / 1674
Radiation dose (Gy)
(equivalent dose of 2 Gy per fraction)
30 40 50 60 70 80 90
Moderate/severe fibrosis (%)
0
20
40
60
80
100
i ti
( )
(
iv l
t s f y r fr cti
)
r t /s r fi r i ( )
0
Resistant
profile
Sensitive
profile
Prediction
Enhancement ratio
1.25 (1.12-1.40)
Alsner et al (2007) Radiother Oncol 83:261–266