CholedocholithiasisGallstonesCholangiopancreatography, Endoscopic RetrogradeSphincterotomy, EndoscopicCommon Bile DuctCholecystolithiasisCholangiographyCholecystectomyCholangiopancreatography, Magnetic ResonanceCholangitisCholecystectomy, LaparoscopicCholelithiasisCholedochostomySphincterotomy, TranshepaticCholecystitisBiliary Tract DiseasesCommon Bile Duct DiseasesAmpulla of VaterCholecystitis, AcuteEndosonographyDiverticulumCholestasis, ExtrahepaticPancreatitisCholestasisDuodenal DiseasesBile Duct DiseasesSphincter of Oddi DysfunctionDrainageDilatation, PathologicBile DuctsJaundice, ObstructiveIntraoperative PeriodCatheterizationPreoperative PeriodRetrospective StudiesTreatment OutcomeLaparoscopyRecurrencePreoperative CareBilePostoperative ComplicationsProspective StudiesFollow-Up Studies