1045 / 1456
Margins
•
Delineation: 2-3 mm SD
•
Setup: 1-2 mm SD (Portal imaging)
•
Margin: 5 mm (best case) ……. 13 mm (worst case)
•
E.g. boost area
high precision/small margins
Nodal regions
less precision/but CTV!
Systematic
Random
Delineation
2-3 mm
-
Setup
1-2 / 1-4 mm
1-2 / 1-4 mm
Organ motion
Depends on tumor
location
Depends on tumor
location
Total
2-4
1-4 mm