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Types of Thyroid Cancer. There are 4 main types of thyroid cancer. 1. Papillary. 2. Follicular. 3. Anaplastic. 4. Medullary. Less common types are thyroid lymphoma and thyroid sarcoma.
Thyroid cancer arises in the thyroid gland. It usually presents as a painless thyroid nodule. Most are papillary-follicular type and have a very good prognosis. Less common are medullary cancers, with an intermediate prognosis. Anaplastic cancers of the thyroid have a poor prognosis and are uncommon.