Figure 1.
Image of the phantom. Image of the Catphan 600 phantom with the body anulus (CTP579) mounted on top of the image uniformity module (CTP486).
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.