76-year-old female patient with thyroid cysts, isthmus nodule. RIGHT LOBE MEASUREMENTS: 5.1 x 1.3 x 1.6 cm, previously 4.2 x 1 x 1.9 cm.LEFT LOBE MEASUREMENTS: 5.1 x 1.2 x 2 cm, previously 4.8 x 1.9 x 1.0 cm.ISTHMUS MEASUREMENTS: 5 mm in thickness.RIGHT LOBE: There are multiple nodules within the right thyroid lobe. The largest is an anechoic lesion measuring approximately 1.0 x 0.6 x 1.3 cm, previously 1.2 x 1.6 x 1.1 cm, and contains an echogenic focus in the wall.LEFT LOBE: There are multiple nodules within the left thyroid lobe. The largest is an anechoic lesion measuring 1.4 x 0.6 by, previously 1.2 x 0.6 x 1.1 cm.ISTHMUS: A mixed echogenicity nodule within the left isthmus measures 1.2 x 0.5 x 0.7 cm, previously 1.0 x 0.4 x 0.8 cm.  PARATHYROID GLANDS: A hypoechoic nodule posterior to the left thyroid lobe measures 1.0 x 0.5 x 0.4 cm, previously 0.7 x 0.5 x 0.5 cm. LYMPH NODES: No significant abnormality noted.OTHER: No significant abnormality noted.
1. Bilateral thyroid nodules, the majority with an appearance consistent with colloid cysts or colloid nodules without significant interval increase in size.2. Possible parathyroid adenoma posterior to the left thyroid lobe.