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Tortuous and dilated vessels are demonstrated surrounding and communicating with the pulmonary trunk. There are numerous arterial supplying vessels arising from both the aorta (i.e. neo-bronchial arteries) and the coronary arteries:
- from a supra-aortic vessel (outside FOV)
- from the aortic arch
- from the right coronary sinus, next to the right coronary ostium
- from the proximal right coronary segment
- from the proximal LAD and circumflex artery
- from the descending aorta
Findings are consistent with complex fistula between coronary, bronchial and pulmonary arteries.