1. Surgical Treatment of Metachronous Second Primary Lung Cancer
Jie Yang, MD, Ming Liu, MD, Jie Fan, MD, Nan Song, MD, Wen-xin He, MD, Yu-ling Yang, MD, Yan Xia, MD, Ge-ning Jiang, MD 
The Annals of Thoracic Surgery 
Volume 98, Issue 4, Pages (October 2014)
DOI: /j.athoracsur
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

2. Fig 1
Overall survival for all patients with metachronous second primary lung cancer from (A) the first tumor resection and (B) second tumor resection. (Cum = cumulative.)
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

3. Fig 2
Factors that significantly affect survival after resection of metachronous second primary lung cancer in univariate analysis: (A) tumor stage I (solid line) and stage II or higher (dotted line); (B) tumor size ≤2 cm (solid line) and >2 cm (dotted line); (C) pack-years of smoking <20 (solid line) and ≥20 (dotted line); (D) positive lymph nodes, nonmultiple station (solid line) and multiple station (dotted line); (E) sex, female (solid line) and male (dotted line); and (F) non-N2 disease (solid line) and N2 disease (dotted line).
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

4. Fig 3
Survival of patients with stage I metachronous second primary lung cancer based on extent of resection: (A) noncompletion pneumonectomy (solid line) and completion pneumonectomy (dotted line); and (B) lobectomy (solid line) and sublobar resection (dotted line).
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions