Biliary Tract DiseasesBiliary Tract NeoplasmsBiliary TractCholelithiasisCholecystitisCholecystectomyGallstonesGallbladderCholestasisBileCholestasis, ExtrahepaticCholangiopancreatography, Endoscopic RetrogradePancreatitisBiliary Tract Surgical ProceduresRespiratory Tract DiseasesLiver DiseasesAcute DiseaseGallbladder NeoplasmsUrologic DiseasesRespiratory Tract InfectionsCholangiocarcinomaNeoplasmsBile Ducts, ExtrahepaticBile Duct NeoplasmsRespiratory Syncytial Virus InfectionsDigestive System DiseasesBile Ducts, IntrahepaticCholangitisRespiratory Syncytial Virus, HumanRespiratory Syncytial VirusesAmpulla of VaterBocavirusPancreatic DiseasesBile DuctsMetapneumovirusUrinary TractCholedochostomyCommon Bile DuctRetrospective StudiesGastrointestinal Diseases