1. Coronary Artery Fistula as a Bypass of a Left Anterior Descending Coronary Artery Stenosis 
Evaristo Castedo, Juan Francisco Oteo, Raul Burgos, Manuel Ugarte, Carmen Cristóbal, Eduardo Tebar, Juan Ugarte 
The Annals of Thoracic Surgery 
Volume 64, Issue 6, Pages (December 1997)
DOI: /S (97)

2. Fig. 1
Left coronary arteriograms in the cranial right oblique projection. Contrast is passing to the main pulmonary artery (P) through the fistula. A severe stenosis is seen in the proximal left anterior descending coronary artery (arrow).
The Annals of Thoracic Surgery  , DOI: ( /S (97) )

3. Fig. 2
Left coronary arteriogram in the posteroanterior projection, showing the presence of three different fistulous paths originating from the proximal segment of the left anterior descending artery anterior to the stenosis and the drainage of one of them into the mid–left anterior descending artery distal to the lesion (arrow).
The Annals of Thoracic Surgery  , DOI: ( /S (97) )

4. Fig. 3
Intraoperative appearance of the anterior descending coronary artery-to-pulmonary artery coronary arteriovenous fistula (arrow). (A = aorta; D = anterior descending coronary artery; P = pulmonary artery.)
The Annals of Thoracic Surgery  , DOI: ( /S (97) )