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- high dose region is the most favorite place for the
physicist
☺
(and normally it is a very good choice!)
-
find the best isocenter location with respect to:
-
MLC limits
-
use of wedges
-
build up area, air cavities, bone
-
isocenter position outside the high dose region often
results in a more complicated plan
-
apply a-priori patient set-up translations if necessary
Where to place the isocenter?