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Topics:
Radiation Oncology • Thoracic Malignancies
Do you adjust your lung DVH constraints when treating a patient that has lobar atelectasis due to tumor obstruction?
If so, what adjustments do you make? Does your recommendation change based upon how long the lobe has been collapsed and/or its presumed functionality? How about if the lobe is contained within your PTV?
Answer from: Radiation Oncologist at Academic Institution
Currently the answer is no. Obstruction is not necessarily improved after RT and greatly depends on the time the lung has been down. I currently assume that the collapsed lung is potentially functional and take it into account when determining lung volumetric constraints. This assu...
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