“…[ 4 ] After accurate delineation of the anatomy, location, and size of the fistula is achieved, the patient can be treated by either open surgery, hybrid procedure, or endovascular stenting. [ 5 ] The risks of pulmonary hypertension, Eisenmenger syndrome, and congestive heart failure remain high in patients with large aortopulmonary fistulae. Patients with very small shunt lesions, such as this patient, may remain asymptomatic, however.…”