In the prospective , multicenter PROSPECT ( Providing Regional Observations to Study Predictors of Events in the Coronary Tree : An Imaging Study in Patients With Unstable Atherosclerotic Lesions ) study , reported predictors of nonculprit lesion ( NCL ) major adverse cardiac events ( MACE ) were an intravascular ultrasound ( IVUS ) minimal lumen area ( MLA ) @ mm ( @ ) , a plaque burden @ % , and a IVUS-virtual histology ( VH ) thin-cap fibroatheroma ( TCFA ) , but not lesion site remodeling .