1. Pattern of lymphatic spread in thoracic esophageal squamous cell carcinoma: A single- institution experience 
Bin Li, MD, Haiquan Chen, MD, Jiaqing Xiang, MD, Yawei Zhang, MD, Chenguang Li, MD, Haichuan Hu, MD, Yang Zhang, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 144, Issue 4, Pages (October 2012)
DOI: /j.jtcvs
Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1 Patient disposition chart.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
The frequency of lymph node metastases according to the depth of tumor invasion.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions

4. Figure 3
The frequency of lymph node metastasis according to the anatomic site.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions