Ultrasound image 12 days after percutaneous core biopsy. Ultrasound image 12 days after the biopsy showed two separate masses: the main mass at 12 o’clock and a further adjacent nodule at 2 o’clock in the sub-areolar location. A new 12-mm heterogeneous, cone-shaped nodule contiguous with the main mass was pointing medially and towards the skin (arrow).