0
2
4
6
8 10 12
Dose (Gy)
0.001
0.01
0.1
1
Surviving fraction
SC69
U2
SQD9
A549
A1847
SCC61
MCF7
Biological contributors to outcome of tumor
treatment with radiation
Proliferation
Hypoxia
Vascular
Radiosensitivity?
Tumor cell
radiosensitivity
Volume
(Stem cell proportion)