MiRC: minimally invasive radical cholecystectomy, RC: radical cholecystectomy, GbC: gallbladder cancer, LIOUS: laparoscopic intraoperative ultrasonography, LB: liver bed, NS: not specified, and S4b-5: liver segments 4b + 5. Patients who underwent only laparoscopic exploration were excluded from the current analysis. Robot-assisted radical cholecystectomies. Multicenter retrospective study. Two patients underwent extended right hepatectomy. Data reported in a previous paper from the same study group [28]. Liver bed resection not performed if tumor located on the peritoneal side of the gallbladder.