sentences:  Multiple ongoing studies hope to tease out which individuals do better with PCI and which do better with CABG, but in general each case is individualized to the patient and the relative comfort level of the interventional cardiologist and the cardiothoracic surgeon.In the vast majority of cases, percutaneous coronary interventions do not improve mortality when compared to optimal medical therapy in the stable individual.This is, of course, not true in the unstable individual, such as in the setting after a myocardial infarction (heart attack).