Digestive System Surgical ProceduresDigestive System NeoplasmsDigestive System DiseasesDigestive SystemEndoscopy, GastrointestinalEndoscopyDigestive System and Oral Physiological PhenomenaDigestive System Physiological PhenomenaDigestive System ProcessesNeuroendoscopyConscious SedationEndoscopy, Digestive SystemEndoscopes, GastrointestinalCholangiopancreatography, Endoscopic RetrogradeEndoscopesDigestive System FistulaGastroscopyGastrointestinal DiseasesSphincterotomy, TranshepaticGastrointestinal TractHemostasis, EndoscopicGastrointestinal HemorrhageGastroenterologyColonoscopyClemastineEndosonographyPropofolUreteroscopesHypnotics and SedativesSurgical Procedures, OperativeTreatment OutcomeRetrospective StudiesGastrointestinal NeoplasmsPostoperative ComplicationsSurgical Procedures, Minimally InvasiveEsophagoscopyDigestive System AbnormalitiesDiagnostic Techniques, Digestive SystemDrainageDisinfectionProspective StudiesIntestinesPancreasStomachLaparoscopyLarvaTime FactorsFollow-Up StudiesBiopsyTomography, X-Ray ComputedSurgical Procedures, MinorTissue DistributionRisk FactorsAmbulatory Surgical ProceduresCause of DeathVascular Surgical ProceduresStomach NeoplasmsCardiac Surgical ProceduresNeoplasmsOral Surgical ProceduresMolecular Sequence DataSurgical Procedures, ElectiveReconstructive Surgical ProceduresLiver NeoplasmsGynecologic Surgical ProceduresChinaUrologic Surgical ProceduresAsian Continental Ancestry GroupOtorhinolaryngologic Surgical ProceduresPhylogenyCardiovascular Surgical ProceduresOphthalmologic Surgical ProceduresObstetric Surgical ProceduresGenetic Predisposition to DiseaseThoracic Surgical ProceduresOrthopedic ProceduresNeurosurgical ProceduresReoperationPreoperative CareGeneral SurgeryPolymorphism, GeneticIntraoperative ComplicationsDigestionNational Institute of Diabetes and Digestive and Kidney Diseases (U.S.)MethodsDermatologic Surgical ProceduresOperating Rooms