1. Idiopathic postpneumonectomy pulmonary edema: Hyperinflation of the remaining lung is a potential etiologic factor, but the condition can be averted by balanced pleural drainage 
John M. Alvarez, MBBS, FRACS, Jeremy Tan, MBBS, Nand Kejriwal, MBBS, Karim Ghanim, MBBS, Mark A.J. Newman, FRACS, MBBS, Amanda Segal, FRACP, Greg Sterret, FRACP, Max K. Bulsara, PhD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 133, Issue 6, Pages (June 2007)
DOI: /j.jtcvs
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Balanced drainage system. A, Draining intercostal tube; B, collecting chamber; C, positive pressure regulator; D, negative pressure regulator; E, air tube.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Postpneumonectomy pulmonary edema grade 3 (original magnification ×240). Widespread and severe pulmonary edema (pink proteinaceous fluid within alveolar air sacs). Generalized congestion of alveolar walls and capillaries.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

4. Figure 3
Postpneumonectomy pulmonary edema grade 2 (original magnification ×240). Widespread moderate pulmonary edema within alveolar air sacs. Generalized congestion of alveolar walls and capillaries.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

5. Figure 4
Postpneumonectomy pulmonary edema grade 0, normal lung (original magnification ×130). No edema fluid present in alveolar air sacs. Normal alveolar walls, no capillary congestion evident.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions