text: An aberrant subclavian artery distinguishes dysphagia lusoria from the dysphagia aortica caused by this condition.
full_question: An aberrant subclavian artery distinguishes dysphagia lusoria from the dysphagia aortica caused by this condition. Treatment for it includes endovascular coiling. Tuberculous cavities in the lung can involve a form of this condition named after Rasmussen. Tertiary-stage syphilis can obliterate the vasa vasorum, causing this condition due to elastin and smooth muscle deterioration in the tunica adventitia. The bifurcation of the circle of Willis is the site of its "berry" form, the most common cerebral type of this condition, which can result in strokes and subarachnoid hemorrhages. Marfan syndrome predisposes one to a dissection of its ascending aortic type. For 10 points, name this condition in which a blood vessel wall balloons out and which can cause death upon rupture.
first_sentence: An aberrant subclavian artery distinguishes dysphagia lusoria from the dysphagia aortica caused by this condition.
raw_answer: aneurysm [or cerebral aneurysm; or thoracic aortic aneurysm; or ascending aortic aneurysm; or abdominal aneurysm; or berry aneurysm; or saccular aneurysm]