ST-Segment Elevation Myocardial Infarction Due to Right Coronary Artery Compression by Cardiac Synovial Sarcoma

A 47-year-old man presented to our hospital after a syncopal event and 1 week of progressive chest pain. His medical history was pertinent for cardiac synovial sarcoma, which had previously undergone subtotal resection. He was seen at an outside hospital, where electrocardiography exhibited ST-