Overall survival (months)
0
20
40
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Probability
Preventive RX (n= 10)
Salvage RX (n= 4)
p = 0.13
Timmermann et al., 2004
Anapl. ependymoma / HIT SKK
Role of RT in infants (< 3 years) /
up front RT yes - no
Intracranial ependymoma