measurement of thyroid as definition of symptom or sign of disease, e.g. enlarged thyroid. thyroid model wrapped by measuring tape

abnormality care check concept decrease deficiency definition detection diagnosis diagnostic disease disorder enlarged enlargement exam examination function goiter goitre health idea illness increase iodine measurement measuring model neck nodule normal overactive physician picture provider radiologist research result science sign size skan swelling symptom tape test thyroid ultrasound underactive visualization wrapped