Biliary Tract NeoplasmsBiliary Tract DiseasesBiliary TractGallbladder NeoplasmsBiliary Tract Surgical ProceduresCholangiocarcinomaGallstonesBile Duct NeoplasmsBile Ducts, ExtrahepaticBile Ducts, IntrahepaticDeoxycytidineCA-19-9 AntigenCholelithiasisAmpulla of VaterChinaDigestive System NeoplasmsOxonic AcidTegafurCholangitisGallbladderCholecystectomyAntimetabolites, AntineoplasticBile DuctsAdenocarcinomaTreatment OutcomeCholedochostomyCyclin HBileAntineoplastic Combined Chemotherapy ProtocolsCommon Bile DuctClaudin-4CarcinomaFluoroimmunoassayCholecystitisFluorouracilCholestasisGastrointestinal NeoplasmsTumor Markers, BiologicalRisk FactorsLiver NeoplasmsBiliary FistulaSurvival RateKeratin-7Case-Control StudiesRetrospective StudiesCholangiopancreatography, Endoscopic RetrogradeCholangiographyJapanSurvival AnalysisRespiratory Tract NeoplasmsCisplatinPrognosisUrologic NeoplasmsKaplan-Meier EstimateCholestasis, ExtrahepaticBile Duct DiseasesDrug Administration ScheduleDisease-Free SurvivalHepatic Duct, CommonCholedochal CystGallbladder DiseasesDrug CombinationsCyclin-Dependent Kinase Inhibitor p15Urinary Tract InfectionsPharyngeal NeoplasmsJaundiceGastrointestinal TractNeoplasm StagingInfusions, IntravenousTime FactorsPancreatic NeoplasmsMammaglobin BJejunostomyAntineoplastic AgentsFollow-Up StudiesCommon Bile Duct DiseasesPancreatic DiseasesDrainageGenes, rasCystic DuctDNA, NeoplasmCell Line, TumorUrinary TractOtorhinolaryngologic NeoplasmsDisease ProgressionGenetic Predisposition to DiseaseGenes, p53Imino AcidsEarly Detection of CancerStomach NeoplasmsCholangitis, SclerosingEsophageal NeoplasmsPancreatitisTumor Suppressor Proteins