Chronic hypoxia and mediastinal mass: think about a pulmonary artery to left atrial fistula!
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A pulmonary artery to left atrium (PA to LA) fistula arises from incomplete degeneration of the pulmonary venous and arterial plexus during development. We present a case of a right PA to LA fistula, where the key to diagnosis was the presence of a mediastinal... ...
