“…(13,14) Cholecystectomy must be performed safely, and inflammation resulting from the disease itself and manipulation during ERCP can hinder the surgery, increasing the operative time, the risk of bleeding and the conversion rate when compared with elective cholecystectomy without previous ERCP. (13,(15)(16)(17)(18)(19) Studies show that laparoscopic cholecystectomy (LC) and ERCP, performed more than 72 hours apart, lead to inflammation of the biliary tract, which may hinder the use of laparoscopy to approach the gallbladder and biliary ducts. (20)(21)(22)(23)(24)(25)(26) In view of the need to prevent intra-and postoperative complications and their implications, so that a greater number of patients with an indication for LC after preoperative ERCP can be scheduled and treated the best way possible, at a hospital with a high demand for beds and limited financial resources, such as the Hospital Geral do Grajaú (HGG), a secondary care hospital in the city of São Paulo, it was imperative to assess which was the best period to perform LC in these patients.…”