890-891 / 3581
Portal imaging
•
CT room
•
Lasers
•
Skin markers
•
Images
•
Bone
•
Tumor
•
Delineation
•
Margin
•
Planned beam
•
Treatment room
•
Lasers
•
Skin markers
•
Bone
•
Tumor
•
Beam
•
Accelerator
•
Treatment room
17 steps with a lot of room for errors
Patient
1 x
35 x
Patient
Patient data
ESTRO IGRT 2014