Assertion: mediastinum's vessel | /r/HasProperty | great
Facets:
Source sentences:
text: It contains many vital structures, including the heart, great vessels (such as the aorta), esophagus, and trachea.
text: It contains the lungs, the middle and lower airways—the tracheobronchial tree—the heart, the vessels transporting blood between the heart and the lungs, the great arteries bringing blood from the heart out into general circulation, and the major veins into which the blood is collected for transport back to the heart.
text: The middle mediastinum contains the heart as well as the origins of its great vessels.