Is Adaptive Treatment Planning Required for Stereotactic Radiotherapy of Stage I Non–Small-Cell Lung Cancer?
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TL;DR
Limited "time trends" were observed in PTVs generated by repeated uncoached 4DCT scans, and the dosimetric consequences proved to be minimal, indicating that adaptive treatment planning is of limited value for fractionated stereotactic radiotherapy.
Abstract
Limited "time trends" were observed in PTVs generated by repeated uncoached 4DCT scans, and the dosimetric consequences proved to be minimal. Treatment based only on the initial PTV would not have resulted in major tumor underdosage, indicating that adaptive treatment planning is of limited value for fractionated stereotactic radiotherapy.
