Figure 1
(a) Case 1. Ultrasonography revealed a tumor 8 × 9 mm in size with irregular borders and rupture of the anterior border of the mammary gland. Mammography revealed a tumor with irregular borders and spicule. (b) Case 2. Ultrasonography revealed a tumor 7 × 8 mm in size with irregular borders and rupture of the anterior border of the mammary gland.