Robotic pancreaticoduodenectomy dissection and resection. (a) Porta hepatis dissection and identification of the gastroduodenal artery during robotic pancreaticoduodenectomy. (b) Creation of retropancreatic tunnel anterior to the superior mesenteric vein along the inferior border of the pancreatic neck. (c) Uncinate process dissection. (d) Completed dissection demonstrating exposed superior mesenteric vein, superior mesenteric artery and proximal jejunum. CHA, common hepatic artery; GDA, gastroduodenal artery; PANC, pancreas; PV, portal vein; SMA, superior mesenteric artery; SMV, superior mesenteric vein; U, uncinate.