University Hospital of Heraklion Crete 1 article published in JoVE Medicine Robotic D3 Partial Duodenal Resection with Primary Side-to-Side Anastomosis Roberto Maria Montorsi1,2,3, Sofia Xenaki1,2,4, Sebastiaan Festen5, Paul Fockens2,6, Barbara A. J. Bastiaansen2,6, Freek Daams2,7, Olivier R. Busch1,2, M. G. Besselink1,2, HPB-Amsterdam, 1Amsterdam UMC, Department of Surgery, University of Amsterdam, 2Cancer Center Amsterdam, 3Department of General and Pancreatic Surgery, The Pancreas Institute, University of Verona Hospital Trust, 4Department of General Surgery, University Hospital of Heraklion Crete, 5Department of Surgery, OLVG, 6Amsterdam UMC, Department of Gastroenterology, University of Amsterdam, 7Amsterdam UMC, Department of Surgery, Vrije Universiteit This protocol presents a case of a robotic partial duodenal resection with primary side-to-side duodeno-jejunal reconstruction in a patient with a 5 cm duodenal stenosis. This is done at the third duodenal segment (D3) after an endoscopic mucosal resection (EMR) for a duodenal polyp.