TCTAP C-183 Calcified Plaque Progression into Ultimaster Stent in a case of Definite Late Stent Thrombosis 8 Month After Placement to Heavily Calcified Mid Right Coronary Artery

### Patient initials or identifier number M.O. ### Relevant clinical history and physical exam Case: A 84-year-old male. At 2002, coronary artery bypass graft (CABG) using saphenous vein graft to distal left anterior descending artery (LAD) was performed at other institute, owing to the severe