pO
2
< 10mmHg
> 10mmHg
Radiotherapy
Time (months)
1.0
0 10
20 30 40 50 60 70
80
Log-rank p = 0.01
0.8
0.6
0.4
0.2
0
Höckel M. et al. Cancer Res 56, 4509-4515 (1996)
Treatment resistance - Radiotherapy