432 / 1544
Constant vigilance is needed…
•
Linac change tomotherapy 2 weeks ago
•
Energy/PDD was OK
•
PCSR was defined (cylinder in water)
•
+4% output difference for reference field
•
Patient QA showed 4% dose too low
|
|
432 / 1544
Constant vigilance is needed…
•
Linac change tomotherapy 2 weeks ago
•
Energy/PDD was OK
•
PCSR was defined (cylinder in water)
•
+4% output difference for reference field
•
Patient QA showed 4% dose too low