Figure 2. A 44-year-old man with primary osteosarcoma of the femur. In A, B, and C, CT scans showing multiple calcified nodules and masses in both lungs.
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.