1. Local recurrence after surgery for non–small cell lung cancer: A recursive partitioning analysis of multi-institutional data 
Chris R. Kelsey, MD, Kristin A. Higgins, MD, Bercedis L. Peterson, PhD, Junzo P. Chino, MD, Lawrence B. Marks, MD, Thomas A. D’Amico, MD, John M. Varlotto, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 146, Issue 4, Pages e1 (October 2013)
DOI: /j.jtcvs
Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
A, Results of the recursive partitioning analysis (RPA) of the primary data set. B, Five-year local recurrence-free survival rates are shown according to RPA node. NSCLC, Non–small cell lung cancer; NOS, not otherwise specified.
The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs )
Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
A, Results of the recursive partitioning analysis (RPA) of the validation data set. B, Five-year local recurrence-free survival rates are shown according to RPA node. LVI, Lymphovascular invasion.
The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs )
Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions

4. Figure E1
Kaplan-Meier curves of local recurrence-free survival in the primary data set (A) and validation data set (B).
The Journal of Thoracic and Cardiovascular Surgery  , e1DOI: ( /j.jtcvs )
Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions