Image of a predominantly solid nodule with smooth margins that is less echogenic than the rest of the thyroid parenchyma. The nodule pictured was solid (2 points), hypoechoic (2 points), and wider-than-tall (0 points), with well-defined margins (0 points) and without acoustic shadowing artifacts or echogenic foci (0 points). Therefore, the total score was 4 points and the risk level was classified as TR4.