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Take home messages
Check!
• Always perform an independent check of manual input
• Always perform an independent check of a treatment plan
• Always perform an independent (automated) MU check
Benchmark!
• Perform external reference dosimetry audits / trial audits based on
TPS calculations
When something changes, re-evaluate the whole chain of events
• If new software is introduced, DO NOT ASSUME anything!! Benchmark
it against the old system
• If something changes somewhere, check how it impacts the following
chain of events.