The normal position of the thyroid is at the front of the neck above the sternal notch. In retrosternal thyroid, a portion of the gland extends below the sternal notch.
Shabir Bhimji, MD, PhD, Specializing in General Surgery, Cardiothoracic and Vascular Surgery, Midland, TX. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.