Aorta segments, with<unk>  aorta in area marked in green.<unk>  is defined as a cross-sectional diameter exceeding the following cutoff: * 4.5 cm in the United States * 4.0 cm in South Korea A diameter of 3.5 cm is generally considered dilated. However, average values vary with age and size of the reference population, as well as different segments of the aorta. +Upper limits of the standard reference range of the<unk>  aorta in a United States population: Small and young Large and elderly Ascending aorta 3.3 cm 4.3 cm Descending aorta 2.3 cm 3.2 cm
Thoracic aortic aneurysm
Aortic aneurysm
Inflammatory aortic aneurysm
Aortic dissection
Aortic rupture
Aortocaval compression syndrome
Acute aortic syndrome
Coronary artery aneurysm