2232-2233 / 2437
survival 2 – 3 brain metastases
100
80
60
40
20
0
0
6
12
18
24
Time (months)
Survival (%)
WBRT alone
WBRT + SRS
p=0.978
RTOG 9508
Andrews
et al 2004, Lancet; 363: 1665–72
Radiosurgery for oligometastases in the brain
WBRT
whole brain radiotherapy
SRS
stereotactic radiosurgery