1754-1755 / 3107
Conclusions
•
In radiotherapy a high dose is delivered to the tumor
•
Carries risk of severe complications
•
Must be delivered safely and accurately
•
Dose should be delivered within
±
5% of the prescribed
dose
•
Considering other uncertainties this leaves
±
3% for
dosimetry
•
QA can improve survival
•
Risk analysis is a useful tool to prevent adverse events