What is thyroid cancer?
A person with thyroid cancer has abnormal cells in the thyroid gland that multiply out of control. These cells can form tumors and spread to other parts of the body. The cause of thyroid cancer is unknown, although genetics may play a role in determining risk. About 15,000 people develop thyroid cancer each year in the US.

What are the symptoms of thyroid cancer?
Symptoms of thyroid cancer may include an enlarged thyroid gland, neck swelling, difficulty swallowing, coughing, hoarse voice, or sore throat.

How does the doctor treat thyroid cancer?
Treatment for thyroid cancer depends on the type of thyroid cancer. Treatment may include surgery, radiation therapy, or chemotherapy. Additional treatment for thyroid cancer may include thyroid hormone supplements.