What is Thyroid cancer? Thyroid Cancer is the cancer that occur in thyroid gland. Thyroid cancer can spread into nearby tissues and to other parts of the body. Most common thyroid cancers are: Papillary Carcinoma, Follicular Carcinoma and Hurtle Cell Carcinoma,Medullary Thyroid Carcinoma,Anaplastic Carcinoma, Thyroid Lymphoma, Parathyroid CancerRead original story