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. 2014 Apr 2;3:172. doi: 10.1186/2193-1801-3-172

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© Tossios et al.; licensee Springer. 2014

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

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Multi-slice computed tomography (CT) of the chest. Preoperative CT shows a huge mediastinal fluid collection surrounding both A) the ascending, and B) aortic arch prosthetic grafts having a diameter of 15 cm with a low density (12-18 Hounsfield Units). Postoperative CT shows omental wrapping with normal density (65-80 Hounsfield Units) around the C) the ascending, and D) aortic arch prosthetic grafts without evidence of fluid collection or infectious sequela 18 months after the operation.