Thyroid cancer is a very rare cancer type. When there is the growth of many cells in the thyroid gland and have risk of becoming cancerous, then this change is called thyroid cancer. It starts to grow the cells in the thyroid gland which surrounds the windpipe of the neck. This gland releases hormones that help to regulate metabolism and body functions, like growth, body temperature, ... https://healthcheckbox.com/cancer/thyroid-cancer/