a localized expansion of the wall of the aorta
an aneurysm in the thoracic portion of the aorta
a stretched and bulging area in the wall of the section of the aorta that travels through the chest and supplies oxygen-rich blood to the upper body
Balloon-like enlargement of the aorta in the region of the thorax (occurring in the length of the aorta between the heart and the diaphragm.)
an aneurysm in the part of the aorta that runs through a person's chest.