References:
(1) Chun, A. R., Jo, H. M., Lee, S. H., Chun, H. W., Park, J. M., Kim,
K. J., … Kim, B. Y. (2015). Risk of Malignancy in Thyroid
Incidentalomas Identified by Fluorodeoxyglucose-Positron Emission
Tomography. Endocrinology and Metabolism, 30(1), 71.
(2) Nixon, I. J., Coca-Pelaz, A., Kaleva, A. I., Triantafyllou, A.,
Angelos, P., Owen, R. P., Ferlito, A. (2016). Metastasis to the Thyroid
Gland: A Critical Review. Annals of Surgical Oncology, 24(6),
1533–1539.