250 / 1708
Months after diagnosis
120
108
96
84
72
60
48
36
24
12
0
1,0
,9
,8
,7
,6
,5
,4
,3
,2
,1
0,0
Complete Removal (n=60)
RT standard (n=16)
HFRT (n=44)
Dose – response relationship
European experiences, pooled data
Intracranial ependymoma
HFX- DFS!