826 / 1024
A bit about the margins…
Margins depend on:
•
RT technique
•
IGRT strategy
Example:
•
3DC RT & field verification at first treatment
➢
5 mm CTV-PTV margin
•
VMAT & daily IGRT with 6D:
➢
1-3 mm CTV-PTV margin
|
|
826 / 1024
A bit about the margins…
Margins depend on:
•
RT technique
•
IGRT strategy
Example:
•
3DC RT & field verification at first treatment
➢
5 mm CTV-PTV margin
•
VMAT & daily IGRT with 6D:
➢
1-3 mm CTV-PTV margin