SBRT2015

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Question 3

Which statement is wrong: 1. Lung metastases require similar doses to achieve local tumor control compared to primary NSCLC 2. Durable local control may not be necessary in all patients treated with SBRT for metastatic diease 3. The PTV encomassing dose is sufficient to describe the SBRT treatment dose 4. Breathing motion has only small effects on the delivered dose in lung SBRT