72-year-old female with known left breast cancer presents for ultrasound study of the left axilla. Recent MRI (5/18/2016) showed a prominent lymph node in the left axilla. Ultrasound of the left axilla is performed. There is a low-lying axillary lymph node with mildly thickened cortex measuring 4.6 mm, with increased flow, likely corresponding to the prominent lymph node detected on the MRI. Additionally, there are a few normal appearing lymph nodes in the left axilla.
A borderline suspicious lymph node in the left axilla at lower aspect.BIRADS: 4 - Suspicious Abnormality.RECOMMENDATION: X - No Letter.