A 66-year-old male patient was admitted to the cardiology department with a new-onset angina. He had a history of hypertension, pericardiocentesis 24 years ago, coronary angiography, and percutaneous coronary intervention ≈4 years ago. He was on medications, including acetyl salicylic acid, clopidogrel, metoprolol succinate, valsartan, and hydrochlorothiazide. The results of his physical examination and biochemical tests were normal. ECG showed negative T waves on the D1, aVL, V5, and V6 derivations and ST-segment depression in inferior leads (Figure 1). Chest radiograph showed cardiomegaly and calcification on the apicolateral wall of the left ventricle (LV) (Figure 2). With the diagnosis of unstable angina, coronary angiography (Toshiba Infinix CSi, Japan) was performed and revealed critical coronary stenoses. On fluoroscopy, a structure of 2 pieces with a calcified wall, close to …