Table 3.8.a.1 Yearly trend of postoperative complications after resection of the tumor in the pancreatic head (With overlap) Table 3.8.a.2 Postoperative complications by major procedures after resection of the tumor in the pancreatic head (Procedures that were performed more than 10 cases in four years. With overlap between each complication) Table 3.8.a.3 Postoperative complications by combined resection for tumor in the pancreatic head (With overlap) Table 3.8.a.4 Postoperative complications by lymph node dissection for tumor in the pancreatic head (With overlap) Table 3.8.a.5 Other descriptive postoperative complications after pancreatectomy for tumor in the pancreatic head