Intrafraction motion monitoring to determine PTV margins in early stage breast cancer patients receiving neoadjuvant partial breast SABR

CONCLUSION: Our results suggest that a 5mm PTV margin is sufficient for the I/S and A/P directions if a lateral kV image is acquired immediately before treatment. For the L/R direction, either further immobilization or a larger margin is required.PMID:33636230 | DOI:10.1016/j.radonc.2021.02.021

Source: Radiotherapy and Oncology : journal of the European Society for Therapeutic Radiology and Oncology - February 26, 2021 Category: Radiology Authors: Matthew Mouawad Owen Lailey Per Poulsen Melissa O'Neil Muriel Brackstone Michael Lock Brian Yaremko Olga Shmuilovich Anat Kornecki Ilanit Ben Nachum Giulio Muscedere Kalan Lynn Scott Karnas Frank S Prato R Terry Thompson Stewart Gaede Source Type: research