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Significant hepatic artery variants during open pancreaticoduodenectomy. A: Normal anatomy of hepatic artery; B: Accessory right hepatic artery from the superior mesenteric artery (SMA); C: Replaced right hepatic artery from the SMA; D: Common hepatic artery from the SMA. CBD: Common bile duct; PV: Portal vein; SA: Splenic artery; SV: Splenic vein; SMV: Superior mesenteric vein.
