Figure 1.
Kaplan–Meier survival curves for overall survival according to primary tumor location (lower lobe vs. upper/middle lobe) (a), pathological stage IA or IB (b), and IASLC Grade 1–2 vs. 3 (c).
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.