1. System for displaying an augmented image of an organ of a patient, the system comprising: an image fusion processor coupled with a stereoscopic image detector, a tomographic image processor, and with a display, said tomographic image processor being further coupled with a tomographic image detector, said stereoscopic image detector producing a pair of stereoscopic images respective of an exposed region of said organ, said tomographic image detector acquiring at least one two-dimensional image of a concealed region of said organ, said concealed region being concealed from the view of said stereoscopic image detector, said tomographic image processor producing at least one tomographic image representation of said concealed region, according to an output of said tomographic image detector, said image fusion processor registering said pair of stereoscopic images with said at least one tomographic image representation, said image fusion processor producing said augmented image, by superimposing said at least one tomographic image representation on said pair of stereoscopic images, said 0 display displaying said augmented image.