1. Epidermal Growth Factor Receptor Is a Prognosis Predictor in Patients With Esophageal Squamous Cell Carcinoma 
Wencheng Zhang, MD, Hongxia Zhu, MD, Xiao Liu, MD, Qifeng Wang, MD, Xun Zhang, MD, Jie He, MD, Kelin Sun, MD, Xiangyang Liu, MD, Zongmei Zhou, MD, Ningzhi Xu, MD, Zefen Xiao, MD 
The Annals of Thoracic Surgery 
Volume 98, Issue 2, Pages (August 2014)
DOI: /j.athoracsur
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

2. Fig 1
Epidermal growth factor receptor expression by immunohistochemistry. (A) negative staining; (B) weak staining; (C) moderate staining; (D) strong staining. 200×
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

3. Fig 2
(A1, B1, C1) Kaplan-Meier curves for overall survival of patients with epidermal growth factor receptor (EGFR) high expression (dotted lines) versus low expression (solid lines). (A2, C2) disease-free survival for patients with EGFR high expression (dotted lines) versus low expression (solid lines). (B2) Kaplan-Meier curves for overall survival of patients in different T stages. (Dotted line = T1 and T2; solid line = T3; dashed line = T4a.)
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

4. Fig 3
(A1, B1) Kaplan-Meier curves for overall survival for patients undergoing surgery alone (S [solid lines]) versus surgery and radiotherapy (S+R [dotted lines]). (A2, B2) Disease-free survival for patients undergoing surgery alone (S [solid lines]) versus surgery and radiotherapy (S+R [dotted lines]).
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions