Figure 3

Representative thyroid US images, heterogeneity maps, and pathological specimens (hematoxylin and eosin staining) of II-benign (B) (a–c), III-B (d–f), III-malignant (M) (g–i), and V/VI-M (j–l). The heterogeneity scores for II-B (b), III-B (e), III-M (h), and V/VI-M (k) were 19.7%, 31.4%, 41.7%, and 45.1%, respectively.