Clinical Research Directory

Inclusion Criteria: * Patients with pathologically confirmed pancreatic cancer (primary) * Patients who underwent Radical resection of pancreatic cancer（Pancreaticoduodenectomy or Distal pancreatectomy） * The postoperative survival time was at least 6 weeks Exclusion Criteria: * No surgery was performed, or only palliative surgery/ biopsy was performed * Patients who underwent emergency hemodialysis or plasma exchange after surgery * History of gout or long-term urate-lowering therapy, such as allopurinol * Patients are missing follow-up data * Hydrochlorothiazide and furosemide were used * Chronic kidney disease * Oncolytic syndrome * Hemolytic anemia * Lead poisoning * Hyperparathyroidism * Hypothyroidism * A tyrosinase inhibitor was used * Patients with nonpancreatic primary tumors * Pregnant or postpartum women.