[Diagnostic value of gamma-glutamyl transferase and alkaline phosphatase for cholecystolithiasis complicated with occult pancreaticobiliary reflux].

To explore the diagnostic value of the preoperative liver function for occult pancreaticobiliary reflux (OPBR) in patients with gallstones. Patients with gallstones in Shanghai East Hospital were enrolled from December 2020 to June 2021. Their intraoperative bile and clinical data were collected.