An official website of the United States government
Here's how you know
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.
An 80-year-old man with left ACC. Contrast-enhanced CT image shows a well-defined, lobulate mass containing a small amount of fat (attenuation −81 HU). A thin, capsule-like enhancing rim is visible around the mass (arrows).