Figure 3From: Management of a congenital tracheoesophageal fistula in a young Spanish water dogA contrast material swallow study performed under fluoroscopy with the dog in a standing position. In a lateral view of the thorax, a small amount of barium contrast medium diluted (1:1) with water was seen to escape ventrally (arrow) from the esophagus along a duct-like structure.Back to article page