A<unk>  <unk>  is an<unk>  lesion that ulcerates, leading to a hematoma forming within the walls of the aorta.
Penetrating atherosclerotic ulcer
Perforated ulcer
Portal hypertensive gastropathy
Hyperplastic polyp
Chronic undermining burrowing ulcer
Elastosis perforans serpiginosa
Fibrosing colonopathy
Arterial insufficiency ulcer