Appendiceal NeoplasmsAdenocarcinoma, MucinousAppendixCarcinoma, Pancreatic DuctalCystadenoma, MucinousPseudomyxoma PeritoneiNeoplasms, Cystic, Mucinous, and SerousPancreatic NeoplasmsAdenocarcinoma, PapillaryCarcinoma, PapillaryPancreatic CystCecal DiseasesMucoceleAppendectomyAppendicitisPancreatectomyPeritoneal NeoplasmsCystadenoma, SerousCyst FluidCholangiopancreatography, Magnetic ResonancePancreatic JuiceCystadenocarcinomaCystadenocarcinoma, MucinousFecal ImpactionPancreaticoduodenectomyNeoplasms, Multiple PrimaryAdenoma, VillousMucin-2DiverticulumEndosonographyIndianaPancreatic DuctsMucinsTomography, X-Ray Computed