A Prospective Clinical Study Using an Artery-first Intermediate Approach in Robot-assisted Pancreaticoduodenectomy

The area between superior mesenteric vein and superior mesenteric artery was defined as the intermediate area and dissection was performed in this area to achieve the removal of the uncinate process of pancreas.

The key point of surgery in the standard approach group was to first reveal portal vein-superior mesenteric vein and gradually complete the the resection of the uncinate process of pancreas based on the reference of portal vein-superior mesenteric vein.