AUTHOR=Woo Sungmin , Becker Anton S. , Katz Aaron E. , Tong Angela , Vargas Hebert A. , Byun David J. , Lischalk Jonathan W. , Haas Jonathan A. , Zelefsky Michael J. TITLE=Low incidence of significant hydrogel spacer rectal wall infiltration: results from an experienced high-volume center JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1563015 DOI=10.3389/fonc.2025.1563015 ISSN=2234-943X