Postoperative pancreatic fistula (POPF) remains one of the most significant complications following pancreaticoduodenectomy (PD), with rates ranging from 10% to 30% depending on pancreatic texture and duct size. This study aims to evaluate the use of Histoacryl®, a tissue adhesive, injected into the pancreatic parenchyma to seal leaks and reinforce the anastomotic suture line, particularly in soft pancreases. The study will assess the safety, feasibility, and impact on clinically relevant POPF rates while maintaining exocrine drainage and minimizing parenchymal leakage. Thirty consecutive patients undergoing PD for pancreatic cancer, periampullary cancer, cholangiocarcinoma, or duodenal cancer will be enrolled between July 2025 and July 2026. Preoperative, intraoperative, and postoperative data will be collected and analyzed.