ESTRO 2025 - Abstract Book

S4081

RTT - Patient care, preparation, immobilisation and IGRT verification protocols

ESTRO 2025

Conclusion: SGRT can be successfully implemented as a motion management tool for EEBH liver SABR patients. SGRT provides a patient-centred solution for motion management and was well tolerated in all patients treated to date.

Keywords: End-expiration breath-hold, SGRT, Liver SABR

References: 1. Dawson LA, Eccles C, Bissonnette J-P, Brock KK. Accuracy of daily image guidance for hypofractionated liver radiotherapy with active breathing control. International Journal of Radiation Oncology*Biology*Physics.2005 Jul;62(4):1247–52.doi:10.1016/j.ijrobp.2005.03.072 2. Brown E, Muscat E, O’Connor P, Liu H, Lee Y, Pryor D. Intrafraction cone beam computed tomography verification of breath hold during liver stereotactic radiation therapy. Journal of Medical Radiation Sciences. 2020 Oct 6;68(1):52–9. doi:10.1002/jmrs.441

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