Figure 1.
Chest computed tomographic scan demonstrating a right upper lobe cancer, clinical stage IA, in an 81-year-old patient treated with stereotactic radiotherapy. This patient was initially considered functionally inoperable.
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.