1. Posttransplantation Lymphoproliferative Disorder in Cardiac Transplant Allografts 
Alan J. Ying, P.David Myerowitz, William L. Marsh 
The Annals of Thoracic Surgery 
Volume 64, Issue 6, Pages (December 1997)
DOI: /S (97)

2. Fig. 1
(A) Gross photograph of anterior leaflet of mitral valve showing polypoid nodules attached to the chordae tendineae. (B) Photomicrograph of large B-cell lymphoid proliferation enmeshed in a fibrin network. Hematoxylin and eosin; × 400 before 28% reduction.)
The Annals of Thoracic Surgery  , DOI: ( /S (97) )