1. Cardiac surgery after mediastinal radiation: Extent of exposure influences outcome 
Albert S.Y. Chang, MD, Nicholas G. Smedira, MD, Catherine L. Chang, MD, Monica M. Benavides, BS, Ulf Myhre, MD, Jingyuan Feng, MS, Eugene H. Blackstone, MD, Bruce W. Lytle, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 133, Issue 2, Pages e3 (February 2007)
DOI: /j.jtcvs
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Survival after cardiac surgery in patients having prior thoracic radiation exposure. Each symbol represents a death, vertical bars are 68% confidence limits representing ±1 standard error, and numbers in parentheses represent patients alive and being traced. The solid line is the parametric estimate enclosed within dashed confidence limits. The dash-dot-dash line is survival of the age-, race-, and sex-matched US population. A, Extensive radiation group. B, Variable radiation group. C, Tangential radiation group.
The Journal of Thoracic and Cardiovascular Surgery  , e3DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

3. Figure E1
Example of fields used for radiation of Hodgkin disease, including the mediastinum, apices of the lung, axillae, and neck. Lung blocks (hatched areas) are used to shield part of the lungs during treatment, but the heart and mediastinum are included in the radiation field.
The Journal of Thoracic and Cardiovascular Surgery  , e3DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions