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Continued enlargement of the aneurysm sac after thoracic endovascular aortic repair (TEVAR) is a known risk after endovascular treatment of thoracic aortic aneurysms. For this reason, periodic outpatient follow-up is required to identify situations that require repair. Here, we describe an aortobronchial fistula (ABF) in a patient lost to follow-up, that presented 3 years after an elective TEVAR done for a primary, descending thoracic aortic aneurysm. Our patient arrived in extremis and suffered massive hemoptysis leading to her demise. Computed tomography (CT) angiogram near the time of her death demonstrated a bleeding ABF immediately distal to her previous TEVAR repair. Aortic aneurysmal disease remains life threatening even after repair. Improved endovascular techniques and devices have resulted in decreased need for reintervention. However, this case demonstrates the risk of thoracic aortic disease …