Dr. Jill Carnahan, delves deep into the world of thyroid function with renowned endocrinologist Dr. Angela Mazza. Dr. Mazza sheds light on a unique, non-surgical approach to treating thyroid nodules, a topic that is causing quite a stir in the medical field. Key Points What are the best tests for thyroid function What are signs and symptoms your thyroid may not be functioning Up to date information on how many thyroid nodules and even low risk thyroid cancers may be treated by the less-invasive option of radio frequency ablation.