Dr. Seema Singh

Thyroid cancer develops in the thyroid gland, a small butterfly-shaped gland located at the front of the neck that controls important body functions such as metabolism, heart rate, and hormone balance. In many cases, thyroid cancer grows slowly and may remain confined to the thyroid gland for a long time. However, if it is not detected and treated early, thyroid cancer can spread to other parts of the body, a process known as metastasis. The most common areas where thyroid cancer spreads first are the nearby lymph nodes in the neck. In more advanced stages, cancer cells may travel through the bloodstream or lymphatic system to distant organs such as the lungs and bones. The likelihood of thyroid cancer spreading depends on several factors, including the type of thyroid cancer, how early it is diagnosed, and how quickly treatment begins. Some types, such as papillary and follicular thyroid cancer, usually grow slowly and have a high success rate when treated early. However, more aggress...