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Sonographic images demonstrating some lymph nodes classified as morphologically normal (A-C) and indeterminate (D-I). Normal lymph nodes characteristically present with central fatty hilum (asterisk) and diffuse cortical thickening ≤ 3 mm. The indeterminate lymph nodes presented with central hilum, however with some area with cortical thickening > 3 mm (between arrows). The A-C lymph nodes demonstrated negative histopathological results, while the D-I lymph nodes were positive.
