I found out last July this year i have thyroid cancer. They found it by accident. You couldnt even see or feel the knot at first because it was on the back of the thyroid. I urge everyone to check their necks and see your Dr regularly. If they find a knot demand more tests!! You need a scan and other tests to make sure its not cancer!! I had my thyroid removed in 2 surgeries 4 days apart. Turned out i had 2 differant types in there. So now i have had one round of radioactive iodine and they say its all gone!!