I Have Benign Multinodular Goiters With The Largest Being I

I have benign multinodular goiters with the largest being I gues 4 mm or cm doctor reco\mmends surgery but not having any side effects, throat tightness if I eat too much at once shortness of breath slightly once a month if walking long periods, by tsh is 0.5.are there any other things I can do to not have surgery. biopsy is negative for cancer