1. Severe left atrium calcification (heart within a heart)
Jessica Germino, MD, Sudhakar N.J. Pipavath, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 148, Issue 2, Pages (August 2014)
DOI: /j.jtcvs
Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Frontal radiograph of the chest demonstrating right pleural effusion, global cardiomegaly, and severe mural calcification of the left atrium.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Lateral radiograph of the chest demonstrating extensive mural calcification of the left atrium.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

4. Figure 3
Coronal computed tomography scan of the chest demonstrating left atrial enlargement and calcification of the wall.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions