Figure 1b. (a) Mediolateral oblique mammogram of the left breast shows a circumscribed mass (arrowhead) and an unsuspected spiculated lesion superior to it (arrow). (b) Craniocaudal mammogram does not clearly show the palpable mass but does show the spiculated lesion (arrow). (c) Coned magnification mediolateral oblique mammogram shows the translucent center of the spiculated lesion with asymmetric clumping of spicules.