55-year-old female with biopsy proven cancer in the right breast and a questionable right axillary lymph node on outside hospital ultrasound, presents for repeat right axillary ultrasound. A right axillary ultrasound was performed. A lymph node low in the right axilla (designated 2 on the final image) measures 1.2 x 0.4 x 0.8 cm and has a partial fatty hilum and normal vascularity however there is focal cortical thickening up to 7 mm. An adjacent benign lymph node measures 1.8 x 0.6 x 0.4 cm with a fatty hilum and thin cortex.
Focal eccentric cortical thickening of a low right axillary lymph node. Ultrasound-guided core needle biopsy may be performed if clinically indicated.BIRADS: 6 - Known cancer.RECOMMENDATION: B - Surgical Consultation.