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•
RT (with chemo)
has an important role in esophagus
cancer treatment
•
GTV definition
:
on CT
,
PET
might help for
localization-
length-variability
,
never decrease
CTVs according to
PET
•
CTV-T:
longitudinal
3-5 cm
according hystology
•
CTV-N:
include any positive + area delineation
•
CTV-elective
:
modulated according
tumor site
•
Beware the lymphnodal
different classifications
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