TSH is a pituitary hormone and is not indicative of actual thyroid function
. You need to have the actual thyroid
hormones tested... those are Free T3 and
Free T4, with FT3 being the active hormone and FT4 being a storage hormone that must be converted to FT3 before it can be used by the individual cells. If those tests were done, please post the results, with reference ranges.
How was the mass on the right lobe of your thyroid detected? Is it really a "mass" or is it a nodule?