Effect of intrafraction adaptation on PTV margins for MRI guided online adaptive radiotherapy for rectal cancer

Abstract Purpose To determine PTV margins for intrafraction motion in MRI-guided online adaptive radiotherapy for rectal cancer and the potential benefit of performing a 2nd adaptation prior to irradiation. Methods Thirty patients with rectal cancer received radiotherapy on a 1.5 T MR-Linac. On T2-w...

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Principais autores:	Chavelli M. Kensen, Tomas M. Janssen, Anja Betgen, Lisa Wiersema, Femke P. Peters, Peter Remeijer, Corrie A. M. Marijnen, Uulke A. van der Heide
Formato:	Artigo
Idioma:	Inglês
Publicado:	BMC 2022-06-01
Series:	Radiation Oncology
Acceso en liña:	https://doi.org/10.1186/s13014-022-02079-2
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