AUTHOR=Pan Yilin , Zeng Hong , Liu Xin , Fu Xiaohang , Pan Liyuan , Wang Yanjing TITLE=Anatomical characteristics of mitral isthmus and its spatial relationship with the esophagus in patients undergoing atrial fibrillation ablation using CT angiography JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2025.1461744 DOI=10.3389/fcvm.2025.1461744 ISSN=2297-055X