TI - Isolated Coronary Sinus Atresia with Unusual Dual Drainage Misdiagnosed as Patent Foramen Ovale: A Case Report with Anatomical Insights AU - Cheng, Y. AU - Li, J. AU - Ma, X. SO - The Anatolian Journal of Cardiology 2026;30:E-22-E-23. DO - 10.14744/AnatolJCardiol.2026.6631