1. Whom Does the Grail Serve
Whom Does the Grail Serve? A Vision of Transformation in Thoracic Surgery 
Ross M. Ungerleider, MD, MBA 
The Annals of Thoracic Surgery 
Volume 83, Issue 6, Pages (June 2007)
DOI: /j.athoracsur
Copyright © 2007 The Society of Thoracic Surgeons Terms and Conditions

2. Fig 1
(A) A representation of the knight that lured Parsifal to begin his quest (photo by Comstock Images). (B) The surgeon “knight” with all the accoutrements of the trade.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2007 The Society of Thoracic Surgeons Terms and Conditions

3. Fig 2
The conflictive nature of reality depending upon perspective. Do you see a young woman, an old woman, neither, or both?
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2007 The Society of Thoracic Surgeons Terms and Conditions

4. Fig 3
(A) The illusion of the cow. (B) The cow in Fig 3A, for those who could not see it otherwise.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2007 The Society of Thoracic Surgeons Terms and Conditions

5. Fig 3
(A) The illusion of the cow. (B) The cow in Fig 3A, for those who could not see it otherwise.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2007 The Society of Thoracic Surgeons Terms and Conditions

6. The Annals of Thoracic Surgery 2007 83, 1927-1933DOI: (10. 1016/j
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2007 The Society of Thoracic Surgeons Terms and Conditions