Ultrasound Biopsy (IMAGE) Radiological Society of North America Caption These are bilateral MLO views. Ultrasound biopsy demonstrated invasive mammary carcinoma and DCIS. Credit Radiological Society of North America Usage Restrictions May use with proper credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.