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.
Areas within the phantom simulating (1) 100% glandular, 70:30 glandular/adipose, 50:50 glandular/adipose, 30:70 glandular/adipose and 100% adipose tissues, from left to right; (2) four hemispheric regions; (3) microcalcifications of different size (CaCO3); (4) line pair tools for measuring the system resolution; (5) nylon fibers of different size.
