My mother of 45 years old has hyperthyroidism as doctor confirmed on april 2022 and checked for neck ultrasound in that report impression is both lobes of thyroid gland are mild bulky and small hypoechoic nodules posterior to right and hyperechoic nodule in both lobes is observed and in anti microsomal antibody test the value is 331.9 iu/ml and intact parathyroid hormone is 24.8 pg/ml and tsh level was <0.05 in april and after 1 and half month the tsh >60 so doctor stopped the neomarcozole 10 tablet for 1 month I want you to tell about that nodules are they treatable what are they is that dangerous.