1. Mediastinal Lymph Node Examination and Survival in Resected Early-Stage Non– Small-Cell Lung Cancer in the Surveillance, Epidemiology, and End Results Database 
Raymond U. Osarogiagbon, MBBS, FACP, Xinhua Yu, MD, PhD 
Journal of Thoracic Oncology 
Volume 7, Issue 12, Pages (December 2012)
DOI: /JTO.0b013e db
Copyright © 2012 International Association for the Study of Lung Cancer Terms and Conditions

2. FIGURE 1
Cohort selection. *These patients were included in a specific analysis to estimate the impact of MLN metastasis on the population without MLN examination. NSCLC, non–small-cell lung cancer; SEER, Surveillance, Epidemiology, and End Results database; MLN, mediastinal lymph nodes; LN, Lymph nodes.
Journal of Thoracic Oncology 2012 7, DOI: ( /JTO.0b013e db)
Copyright © 2012 International Association for the Study of Lung Cancer Terms and Conditions

3. FIGURE 2
A, Overall survival curves of patients with and without examination of mediastinal lymph nodes after surgical resection for non–small-cell lung cancer: SEER database from 1998 to B, Lung cancer-specific survival curves of patients with and without examination of mediastinal lymph nodes after surgical resection for non–small-cell lung cancer: SEER database from 1998 to C, Survival curves for other causes of patients with and without examination of mediastinal lymph nodes after surgical resection for non–small-cell lung cancer: SEER database from 1998 to MLN, mediastinal lymph nodes; SEER, Surveillance, Epidemiology, and End Results database.
Journal of Thoracic Oncology 2012 7, DOI: ( /JTO.0b013e db)
Copyright © 2012 International Association for the Study of Lung Cancer Terms and Conditions