1. Assessment of aortic invasion by pulmonary carcinoma with the use of intra-aortic endovascular sonography: A case report 
Kotaro Yasui, MDa, Susumu Kanazawa, MDa, Hidefumi Mimura, MDa, Toshiyoshi Fujiwara, MDb, Masafumi Kataoka, MDb, Noriaki Tanaka, MDb, Yoshio Hiraki, MDa 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 122, Issue 5, Pages (November 2001)
DOI: /mtc
Copyright © 2001 American Association for Thoracic Surgery Terms and Conditions

2. Fig. 1
Coronal thoracic T1-weighted image is highly suggestive of aortic invasion by lung cancer of the left upper lobe.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /mtc )
Copyright © 2001 American Association for Thoracic Surgery Terms and Conditions

3. Fig. 2
Intra-aortic sonography showing freedom from aortic extension of the lung cancer, because the outer hyperechoic layer of the aorta is intact (arrow).
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /mtc )
Copyright © 2001 American Association for Thoracic Surgery Terms and Conditions