Impact of the Delineation Accuracy of Lumpectomy Cavity on Planning Target Volume in Partial-Breast Irradiation Using Brachytherapy and External-Beam Radiotherapy
Abstract:Background: In partial-breast irradiation (PBI), the accurate target volume delineation based on the lumpectomy cavity (LC) remained difficult due to uncertain LC identification. However, the impact of accurate LC delineation on the planning target volume (PTV) has not been investigated.
Material and Methods: Between September 2018 and April 2020, 159 patients receiving perioperative PBI with multicather-interstitial brachytherapy have been evaluated. While LC delineated using implanted catheters as fiducial m… Show more
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