PancreatitisPancreatitis, ChronicPancreatitis, Acute NecrotizingPancreatitis, AlcoholicCeruletideAcute DiseaseAmylasesPancreasTrypsinogenCholangiopancreatography, Endoscopic RetrogradePancreatic DuctsPancreatic PseudocystPancreatic DiseasesLipasePancreatic Function TestsPancreas, ExocrineAcinar CellsChronic DiseaseGallstonesSeverity of Illness IndexHyperamylasemia