159 / 1031
Target volumes – PTV + PRV
PRV margin can be
smaller
than the PTV margin
This is a helpful step for high dose treatments close to an OAR
This is because OAR movement is usually a 1D problem
(occasionally 2D, rarely 3D)
|
|
159 / 1031
Target volumes – PTV + PRV
PRV margin can be
smaller
than the PTV margin
This is a helpful step for high dose treatments close to an OAR
This is because OAR movement is usually a 1D problem
(occasionally 2D, rarely 3D)