667 / 1068
- MRI @ half therapy (fraction 9)
- Concomitant boost in the last 6
(3 days left)
- Calculating d
adapt
to escalate to
EQD2=54Gy ≈ 3Gy/fr in the last 6
fractions (out of 18)
- Corresponding EQD2 for OAR (late
Adaptive RT: choosing the adaptive scheme
50
55
60
65
70
EQD2 (Gy)
T
OAR (late)
tox, α/β=3) slightly lower than for T
40
45
2
2,5
3
3,5
4
4,5
daily dose (adaptive boost)
No boost ART
Summary of ART scheme:
Fractions 1-12: 2.3 Gy/fr (27.6 Gy) @ PTV1
Fractions 13-18: 2.3 Gy/fr (13.8 Gy) @ PTV1
concomitantly 3.0 Gy/fr (18Gy) @ PTV
boost
Total dose: 41.4Gy PTV1; 45.6Gy PTVboost
(18 fractions)