External Pancreatic Stent in Pancreaticojejunostomy

Inclusion Criteria: * Patients undergoing pancreaticoduodenectomy (Whipple procedure) for various indications (e.g., pancreatic cancer, ampullary cancer, etc.). * Patients with a confirmed soft pancreas texture, as determined intraoperatively by the surgeon. Exclusion Criteria: * Patients with a hard or fibrotic pancreas, as determined intraoperatively by the surgeon. * Patients with severe uncontrolled comorbidities (e.g., uncontrolled diabetes, severe cardiovascular disease, renal failure). * Pregnancy or lactation.