1. A method of displaying x-ray images of a patient's breast including: selectively providing reconstructed slice images Tr that conform to a first set of respective imaging planes that are parallel to each other but are at different depths in the patient's breast and a second set of slice images Tr that conform to a second set of respective imaging planes that also are parallel to each other but are at respective different depths in the patient's breast, where the two sets of imaging planes are angled to each other, and selectively scrolling though pairs of stereoscopically displayed Tr images, each pair comprising one Tr image from each set.