Day 1	Hospitalization for a recent onset of palpitations, fatigue, epigastric pain, and vomiting.
Day 3	Incidental finding of a mesenteric arterial thrombosis on abdominal computed tomography (CT).
Day 5	Pathological glucose uptake in the descending aorta lumen and at the level of the 8th right rib (positron emission tomography).
Day 6	Obstructive thrombosis and thickening of arterial wall in the descending aorta (thoracic CT).
Day 10	Aortic thrombosis and aortic wall enlargement at magnetic resonance imaging.
Day 12	Computed tomography-guided biopsy of the osteolytic lesion of the rib (metastatic lesion?).
Day 20	Histological diagnosis of metastatic angiosarcoma of the aortic wall.
1 day after diagnosis	Start oral propranolol (anti-proliferative effect); multidisciplinary team excluded surgical procedure.
1 week after diagnosis	Start of palliative radiotherapy on metastatic lesion.
10 days after diagnosis	Start of chemotherapy with Paclitaxel (five cycles completed).
7 months after diagnosis	Patient passed away after rapid progression of the disease.