Figure 3.
Primary substernal goiter. (a) Anterior mediastinal, (b) posterior mediastinal. It may be posterior to the major vessels, anterior to the trachea, or posterior to the major vessels and trachea.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.