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Quantifying The Dosimetric Impact Of Target Margins In The Oligometastatic Setting, Jessica E. Strang
Quantifying The Dosimetric Impact Of Target Margins In The Oligometastatic Setting, Jessica E. Strang
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Introduction
With advancements in cancer treatment therapies, patients are living longer with oligometastatic disease. These patients may have multiple targets and may be treated in a single isocenter to reduce overall treatment time. However, the most considerable risk of treating multiple lesions in a single isocenter is a geometric miss. It can be challenging to perform daily alignment of multiple lesions creating a need to prioritize one lesion alignment over others or abort treatment.
Methods
This study quantified the dosimetric impact of total lung exposure as the planning target volume (PTV) margin incrementally increased for multiple intrathoracic lesions.
The analysis …