596 / 1840
70
80
90
100
Local control by Type of Boost
EORTC
10882
10
20
30
40
50
60
Overall Logrank test: p=0.09
5y LFR
BT Boost 2.5 %
Ext Boost 4,5 %
(years)
0
2
4
6
8
10
0
O N
102
2389
2257
1567
630
108
6
225
215
180
111
33
External Boost
Interstitial Boost