AUTHOR=Lee Chanwoong , Yoon Young Hun , Sung Jiwon , Kim Jun Won , Cho Yeona , Kim Jihun , Chun Jaehee , Kim Jin Sung TITLE=Abdominal synthetic CT generation for MR-only radiotherapy using structure-conserving loss and transformer-based cycle-GAN JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1478148 DOI=10.3389/fonc.2024.1478148 ISSN=2234-943X