CholelithiasisCholecystectomy, LaparoscopicCholecystectomyCholecystitisGallbladder DiseasesGallstonesGallbladderCholecystolithiasisCholecystographyCholecystitis, AcuteCystic DuctCholangiographyGallbladder NeoplasmsCholedocholithiasisBileCholangiopancreatography, Endoscopic RetrogradeBile DuctsCommon Bile DuctBiliary Tract DiseasesBiliary FistulaIntraoperative ComplicationsBile Duct DiseasesSitus InversusCholangiopancreatography, Magnetic ResonanceUmbilicusTechnetium Tc 99m LidofeninPostoperative ComplicationsSphincterotomy, EndoscopicPancreatitisRetrospective StudiesCholangitisLaparoscopesOpiumAnthracosilicosisBilirubinTreatment OutcomeBiliary TractLength of StayBile Acids and SaltsAnemia, Sickle CellBiliary DyskinesiaPneumoperitoneum, ArtificialLaparoscopyIntestinal FistulaGilbert DiseaseCholestasis, ExtrahepaticCholecystostomyDrainageProspective Studies