PTV Breast 5 mm, skin 3-5 mm
PTV Boost 5
–
10 mm, skin 3-5 mm
PTV Chest wall 5 mm, skin 0-5 mm
PTV Nodes 5 mm
PRV 5 mm
Avoid the lungs
CTV
→
PTV (Planning Target Volume)
OAR
PRV
(Planning Organs at Risk Volume)
5 mm