52-Year-old female with multi-nodular goiter and 6 mm PTC in upper pole of right lobe of gland (long arrow). The PTC nodule is hypoechoic with irregular margins and microcalcification. An adjacent similar sized hypoechoic benign nodule with well-defined margins (short arrow) is seen in the posterior aspect of upper pole of right lobe of thyroid gland. It is important to meticulously document the location of the PTC (in this instance as right, upper, anterior) to prevent mistaking an adjacent benign nodule for the PTC at follow-up