1. Chondrosarcoma Originating From the Trachea
Masanobu Kiriyama, MD, Akira Masaoka, MD, Yosuke Yamakawa, MD, Hiroshi Niwa, MD, Ichiro Fukai, MD, Takeshi Yamada, MD 
The Annals of Thoracic Surgery 
Volume 63, Issue 6, Pages (June 1997)
DOI: /S (97)

2. Fig. 1
Bronchoscopic findings revealed a mass arising from the cartilage of the anterior right lateral aspect of the trachea. The round mass was covered with bronchial mucosa.
The Annals of Thoracic Surgery  , DOI: ( /S (97) )

3. Fig. 2
Microscopically, the mass was diagnosed as a well-differentiated, hypercellular chondrosarcoma with mild atypical nuclei, located beneath the normal bronchial mucosa. (Hematoxylin and eosin; ×200 before 14% reduction.)
The Annals of Thoracic Surgery  , DOI: ( /S (97) )