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Axial portal phase angiographic images of a young dog with an intrahepatic portocaval shunt. Images are ordered from caudal to cranial (A–D). There is a large, tortuous shunt vessel (arrows) arising from the right side of the portal vein (p), and through the right liver lobes to enter the caudal vena cava (c). There is dilation of the caudal vena cava after the insertion of the shunt vessel. (a: aorta; R: right side; L: left side).
