Biliary Tract Surgical ProceduresBiliary Tract NeoplasmsCholelithiasisBiliary Tract DiseasesBiliary TractCholecystectomyPostoperative ComplicationsGallbladder NeoplasmsLiver DiseasesLiver TransplantationCholangiocarcinomaLiver NeoplasmsLiverGallstonesTreatment OutcomeBile Duct NeoplasmsBile Ducts, ExtrahepaticBile Ducts, IntrahepaticCholangitisGallbladderLiver CirrhosisRetrospective Studies