1. A method comprising the steps of: displaying a first image from a first stack of images and a second image from a second stack of images, each stack of images belonging to a different series of image captures for a subject from a particular orientation; determining a spatial location of each image in the first and second stacks of images; receiving a selection signal for an image in the first stack of images; determining a corresponding image in the second stack of images based on the selection signal and the spatial location of the corresponding image; and, displaying the corresponding image.