Images from case 4. (A) Mammogram shows a large distorted area with spiculation. The U-shaped wires are used to confirm image orientation. (B) Magnetic resonance image shows a large, irregular, and spiculated region. The main mass measured approximately 8.5 × 3.3 × 5.4 cm. (C) Vibro-acoustography image at a 2-cm depth shows a large spiculated mass. Note that figure parts (A) and (C) show only a 5 × 5-cm area within the breast, whereas part (B) shows the entire breast.