A device IP and associated method for visualizing a previously constrained image structure in a radiographic RD. Graphical indicators 505, 510, 515 are superimposed on the radiograph RD and show suppressed image structures 412. The device allows toggling-in or toggle-out of the graphical indicators 505, 510, 515 or toggling between various graphical renders of the graphical indicators 505, 510, 515.