Deadline for Submission:November 10, 2020 * 為減少學會作業程序、加快評分流程，PPT內請勿顯示醫師姓名及醫院名稱/logo。 Angio影像亦請移除醫院名稱，以添競賽之公平性。
General Information for Submitting Cases: There are six categories for case competition, including three for coronary and the other three for Peripheral & Structural Heart. They are: A. Coronary CTO B. CHIP C. Complications D.Structural Heart E. Image/Physiology F.Carotid/EVT
The Scientific Committee of the TTT 2021 will review all submitted challenging cases for oral presentations. The authors of accepted challenging cases will be acknowledged by e-mail and the results will be posted on the website by December 7, 2020.