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