Elderly male with history of coronary artery disease, hypertension and chest pain.While having a heart cath procedure, the onyx stent buckled on itself when attempting to place it in the target vessel.Removed without known complications.Procedure was heart cath, left stent percutaneous transluminal coronary angioplasty (ptca).It was successfully removed without known complication.Another 3.0 x 30 onyx stent was deployed in its place.Discharged home the following day.