They were all Graves’ patients, one was originally a sub-total thyroidectomy, the other two were total. It was years later in all three cases. Surgeons that specialize in thyroid surgery have multiple aides to let them “see” the tissue, and I haven’t heard about a re=growth in many years. Try to stop worrying–it is just wears you out, and depletes your energy for things you CAN do something about.
Take care,
Nancy