Yes, Large Thyroid Since 1996 I Have By Numerous Doctors

Yes, large thyroid since 1996 I have by numerous doctors check my functions,the iodine,and ultrasound done and it always come back normal..2012 when I had an ultrasound done the doctor said I had tiny cuts pockets on the right side but nothing to worry.. it's obvious I have an enlarged thyroid what other test can be done and why and what causes the cuts pockets? Do they go away?