Figure 1.
Numbers of lung cancer and small cell lung cancer (SCLC) patients in 2005 and 2010. 
, 2005; 
, 2010.
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.