Retrosternal thyroid is an abnormal placement of all or part of the thyroid gland below the breastbone (sternum). The thyroid is normally located at the front of the neck.
Shimul A. Shah, MD, Assistant Professor of Surgery, University of Massachusetts Medical School, Worcester, MA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.