Fig. 3
A 54-year-old woman with papillary thyroid microcarcinoma in the left lobe. The long diameter and short diameter of one lymph node at ipsilateral level VI were 4.1 mm and 2.1 mm (a). S/L ratio was 0.512. Emean, Emax and ESD were 18.0 kPa, 23.1 kPa and 2.9 kPa respectively (b). Gray-ultrasound score and combination score were 0 and 0 respectively. This lymph node was confirmed to be non-metastatic by pathological diagnosis (c, original magnification × 40, and d, original magnification × 100)