sentences:  Even in the stable individuals, however, there are a number of subsets in which there is a mortality benefit that is attributed to PCI.Subsequently, at the 2007 meeting of the American College of Cardiology (ACC), data from the COURAGE trial was presented, suggested that the combination of PCI and intensive (optimal) medical therapy did not reduce the incidence of death, heart attacks, or stroke compared to intensive medical therapy alone.Critics of the trial state that the trial did not take into account the improvement in symptoms attributed to PCI.