1. Video-Assisted Thoracoscopic Surgery for Ectopic Middle Mediastinal Thymoma in a Patient With Myasthenia Gravis 
Satoshi Koezuka, MD, Fumitomo Sato, MD, Yoshinobu Hata, MD, PhD, Hajime Otsuka, MD, Rena Yuasa, MD, Takaharu Kiribayashi, MD, Daisuke Sasai, MD, Kazutoshi Shibuya, MD, PhD, Keigo Takagi, MD, PhD, Yoshinori Watanabe, MD, PhD 
The Annals of Thoracic Surgery 
Volume 95, Issue 3, Pages e67-e68 (March 2013)
DOI: /j.athoracsur
Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions

2. Fig 1
Enhanced computed tomography of the chest showing a solitary and well-defined nodule in the middle mediastinum.
The Annals of Thoracic Surgery  , e67-e68DOI: ( /j.athoracsur )
Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions

3. Fig 2
(A) Histology shows predominantly lymphocytes with inconspicuous epithelial cells, consistent with World Health Organization type B1 thymoma (Hematoxylin and eosin, ×400). (B) Around the ectopic thymoma, ectopic thymic tissue with Hassall corpuscles is seen in the fatty tissue of the middle mediastinum (Hematoxylin and eosin, ×200).
The Annals of Thoracic Surgery  , e67-e68DOI: ( /j.athoracsur )
Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions