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QA of treatment delivery for
tracking
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“Real” 4D is not tested
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This is NOT individual patient QA
➢
Irregular breathing?
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Loss of surrogate/tumour relationship?
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You are still pretty much only checking the machine
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This will NOT give you any info on how the patient actually
breathed during treatment
➢
Unless you have thorough imaging
➢
Log files of the beam/tumour position