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.
Comparison of mean pulmonary function tests before and 3–4 months after CyberKnife treatment in a stage 4 patient.
Abbreviations: Mos, months; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second; FEF, forced expiratory flow; FIVC, forced inspiratory vital capacity.
