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Thoughts
If IGRT is not level I proven better than IMRT shoud
we be using it?
Quality assurance?
If you can have better vision with glasses do you need
Radiotherapy
to prove that you are a better driver?
Nevertheless:
reducing margins
will need
clinical proof, Similar when from conformal to IMRT
(Eisbruch, Heemsbergen) we will enter an era where
marginal misses due to better technology comes on
our doorstep. This is bad for the individual patient but
can be good for the group provided you close the
feedback loop.