1. A computer-implemented method for evaluating a stent in situ that when executed by a processor, performs the method comprising: selecting a region of interest in at least one medical image, wherein the region of interest comprises the stent in situ; identifying a background in the region of interest of the at least one medical image; subtracting pixels from the at least one medical image, wherein the subtracted pixels represent the background; adjusting contrast of the at least one medical image to produce a first enhanced image; and outputting the first enhanced image to a user.