Figure 2:
Relationship between 3A node involvement and status of other mediastinal stations. The upper nodal zone (station #2 LN and #4 LN) was highly related to 3A metastasis (χ2 = 6.303, P = 0.001, and χ2 = 10.442, P < 0.001, respectively).
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.