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The Sidney Kimmel Comprehensive Cancer Center

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Thyroid Cancer

A disease in which cancerous cells are found in the tissues of the thyroid gland. The thyroid gland is at the base of the throat and has two lobes, one each on the right and left side. The thyroid gland produces hormones that help the body function normally. There are four main types of cancer of the thyroid, based on how the cancer cells look under a microscope: papillary, follicular, medullary,and anaplastic.