doctor with plastic model of healthy and afflicted thyroids on light blue background, closeup

afflicted autoimmune background blue cancer carcinoma care clinic closeup color concept different disease disorder doctor endocrinologist endocrinology enlarged exam gland goiter graves hand healthy holding hormones hyperthyroidism hypothyroidism immune light male man medic medical medicine model overproduction papillary parenchyma person plastic problem set stand system throat thyroids treatment tumor