2786-2787 / 3107
With planned intervals - CBCT
Lung cancer irradiation, the problems numerous!
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At planning
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Boost volume based on functional imaging
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Breathing influences sub-volumes differently
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Upper vs. lower lobe tumours
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Tumours vs. lymph nodes
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Target vs. OAR (spinal cord)
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Online imaging and matching
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Bone vs. soft tissue/tumour
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Interfraction variations
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Atelectasis (and lung density changes)
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Tumour shrinkage
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Pleural effusion