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...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2022-06-01
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Series: | Radiation Oncology |
Online Access: | https://doi.org/10.1186/s13014-022-02079-2 |