ESTRO 2025 - Abstract Book

S1150

Clinical – Lower GI

ESTRO 2025

Conclusion : Evolution of rectal volume assessed on CBCT during CRT may predict complete response in patients with LARC. Keywords: Concomitant Chemoradiotherapy, Rectal cancer, CBCT References: GérardJP DigLiverDis2017, Roh MS JClinOncol2009, SauerR NEJM2004, BeddyD AnnSurgOncol2008, Petrillo A. Ther Adv Med Oncol2018, Wei J. Cancer Manag Res2018, Nahas SC AbdomRadiol2019, Petrelli F Ann Surg2020, Martens MH J Natl Cancer Inst2016, Dossa F Lancet Gastro Hepatol2017, Liu W J Invest Surg2021, Nijkamp J Radiot Oncol2012, Mok H Radiat Oncol2011, Vieillot S Radiat Oncol2010, Richetti A Radiat Oncol. 2010, Lambregts DMJ Radiot Oncol2018, Van den Begin R Acta Oncol 2018, Gay HA IJRO 2012, Mandard AM Cancer. 1994, Yamashita H Radiat Oncol. 2015, Li Z et al. Cancers2023, Rosen BS IJRO2018, Du F Front Oncol. 2020, Posiewnik M Phys Medica. 2019, Traverso A IJRO2018, Sun YS Radiology. 2010, Lambrecht M IJRO. 2012