Fig. 2. Lymph node measurement technique in 58-year-old woman with biopsy-proven nodal metastases from ductal carcinoma in situ.
A and B, Axillary ultrasound images show how lymph node measurements are obtained in three planes: longitudinal (horizontally slanted line) and short-axis (vertically slanted line) diameters (A) and transverse diameter (B, horizontal line).