Cancer, thyroid
Cancer of the gland in front of the neck that normally produces thyroid hormone which is important to the normal regulation of the metabolism of the body. There are four major types of thyroid cancer — papillary, follicular, medullary, and anaplastic. Persons who received radiation to the head or neck in childhood should be examined by a doctor every 1 to 2 years. The most common symptom of thyroid cancer
Medical dictionary.
2011.