Figure 2.
Distribution of number of lymph nodes examined in patients with resected pathologic node-negative non-small cell lung cancer: US Surveillance, Epidemiology and End Results database, 1998 to 2009.
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.