text: CT images demonstrate large bilateral internal<unk>  aneurysms
option_0: Iliac artery aneurysm
option_1: Splenic artery aneurysm
option_2: Aortic intramural hematoma
option_3: Pulmonary arteriovenous fistula
option_4: Tracheal diverticulum
option_5: Aortic dissection
option_6: Thoracic aortic aneurysm
option_7: Coronary artery fistula