Method to process a set of tomosynthesis slices, comprising acquiring images of an object of interest using a detector of a machine also comprising an X-ray emitter reconstructing a set of tomosynthesis slices of the object using a calculator, in relation to the acquired images displaying slices on a display monitor with a first display increment selecting a region of interest in a slice of interest and using a second display increment that is finer than the first display increment to display on the display monitor regions of interest belonging to slices in the set, the regions of interest corresponding to the selected region of interest.
