What are the pros and cons of having your thyroids removed?

Thyroid removal. Surgical removal for thyroid cancer can cause low parathyroid hormone, bleeding, scarring on neck, voice box paralysis.
Thyroid cancer cure. If you have a lump that is cancer or suspicious for cancer on a biopsy, thyroid surgery may save your life if done early. If a good biopsy was not done, find a specialist to do it. The most important thing to prevent the 'cons' is to have a surgeon that does thyroid surgery very frequently. There are few other 'pros' to having thyroid surgery other than for cancer.