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Anatomical Changes During Radiotherapy of Lung Cancer
Van Zwienen M. (AVL Amsterdam)
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114 consecutive patients
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RT 45 to 88 Gy
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CBCT each treatment week
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47 patients anatomical changes
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Tumor regression 37 patients
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Tumor progression 1 patients
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Changes in atelectasis 26 patients including 20 dissolving
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CBCT let to re-planning for 6 patients