concept photo of understanding diseases of the thyroid. the doctor points to the thyroid on the anatomical model of the organs of

abnormal anatomical anatomy appointment benign bodies cancer care causes clinic concept diseases disorders doctor endocrine endocrinology enlarged female foreign gland goiter graves hashimoto hormonal hormone hospital human hyperthyroidism hypothyroidism injury male model obstruction organ patient photo points problem show signs surgeon surgery symptom symptoms system thyroid thyroxine treatment understanding warning