Composed of two lobes connected by an isthmus, the thyroid gland is an endocrine gland in the neck. It is located at the front of the neck. The main function of thyroid gland is to secrete thyroid hormones, which primarily influence the metabolic mechanism and protein synthesis. Thyroid cancer is cancer that develops from the tissues of the thyroid gland. It is a disease that involves the abnormality of cell growth. Potentially, they have the ability to spread to other parts of the body. Symptoms can include swelling or a lump in the neck. Tumors may originate from and spread into the thyroid and this case is not classified as thyroid cancer. https://www.creative-biolabs.com/drug-discovery/diagnostics/biomarkers-and-antibodies-development-for-thyroid-cancer.htm