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Thyroid Ultrasound Standard Plane images. (TI represents thyroid isthmus, LT and RT represent the left and right lobe of the thyroid, respectively, T represents the trachea, and ES represents esophagus). (a) TPTI, (b) LPTI, (c) UTPLT, (d) DTPLT, (e) UTPRT, (f) DTPRT, (g) LPLT, and (h) LPRT.
