Pancreatic DiseasesPancreatitisPancreatic Function TestsPancreatic JuicePancreatic NeoplasmsPancreatitis, ChronicPancreaspara-AminobenzoatesAmylasesPancreatic DuctsBiliary Tract DiseasesPancreatitis, AlcoholicPancreas, Exocrine4-Aminobenzoic AcidPancreatic CystPanniculitisSecretinCA-19-9 AntigenClinical Enzyme TestsIsoamylaseAminobenzoatesPancreatectomyExocrine Pancreatic InsufficiencyChronic DiseaseTumor Markers, BiologicalCholangiopancreatography, Endoscopic RetrogradeEndosonographyPancreatic PseudocystTrypsinogenCarcinoma, Pancreatic DuctalSphincter of OddiCholangiographyDuodenumLipaseUltrasonographyAcute DiseaseTrypsinTumor BurdenTumor Necrosis Factor-alphaAmpulla of VaterAdenocarcinomaCell Line, TumorBicarbonatesWilms TumorNeoplasms, ExperimentalGenes, Tumor SuppressorTomography, X-Ray ComputedMutationCarcinoid TumorTumor Suppressor Protein p53Cystic Fibrosis Transmembrane Conductance RegulatorNeuroendocrine TumorsTumor Suppressor ProteinsSensitivity and SpecificityBrain NeoplasmsTumor MicroenvironmentRetrospective StudiesCystic FibrosisMammary Neoplasms, ExperimentalAlcoholismNeovascularization, PathologicCase-Control StudiesNeoplasm MetastasisTransplantation, Heterologous