1
st
problem with IMRT:
more beams
than 3DCRT
larger patient volume covered with beams
depending on dose-effect relation, higher risk
P(tumor)
dose
2 plans for the same prostate patient, total dose 78 Gy IMRT 5 beams, 3DCRT 3
beams
IMRT
3DCRT
43
Prediction of tumor induction risk
IMRT and prediction of tumor induction