AUTHOR=Ye Hua , Jing Yuchen , Luo Shuai , Wang Jinjing TITLE=Diagnostic trap: a case report of intimal sarcoma occurring in the left atrium JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2025.1509505 DOI=10.3389/fcvm.2025.1509505 ISSN=2297-055X