1. An imaging system for identifying a presence of an object in a tissue region of interest, the system comprising: a controller configured to obtain first and second image data sets from the region of interest; a contrast identification module configured to identify a contrasting region of altered stiffness in the first image data set corresponding to an object in the tissue region of interest; and an image data enhancement module configured to identify the object in the second image data set based on the contrasting region of altered stiffness in the first image data set.