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.
(a) Comparison of survival curves for patients with a single station of metastatic mediastinal lymph node for the video.assisted thoracic surgery (VATS) group and the thoracotomy group, (b) Comparison of survival curves for patients with multiple station of metastatic mediastinal lymph node for the VATS group and the thoracotomy group.
