CystadenocarcinomaAdenocarcinoma, MucinousCystadenocarcinoma, MucinousAppendiceal NeoplasmsCystadenomaCystadenocarcinoma, PapillaryAdenocarcinomaCarcinoma, Signet Ring CellCystadenoma, MucinousPseudomyxoma PeritoneiCystadenocarcinoma, SerousRectal FistulaOvarian NeoplasmsCecal NeoplasmsNeoplasm MetastasisUrachal CystCalymmatobacteriumMucocelePerineumCystsTumor Markers, BiologicalMucin-2PyonephrosisColorectal NeoplasmsMixed Tumor, MesodermalImmunohistochemistryPancreatic NeoplasmsLymphatic MetastasisStomach NeoplasmsNeoplasm StagingBiliary Tract NeoplasmsMucinsCystadenoma, PapillaryParotid NeoplasmsPrognosisColonic NeoplasmsBarium SulfateLung NeoplasmsBile Duct NeoplasmsTomography, X-Ray ComputedBile Ducts, IntrahepaticRectal NeoplasmsLiver NeoplasmsRetroperitoneal NeoplasmsMicrosatellite InstabilitySalivary Gland NeoplasmsPancreatectomyPancreaticoduodenectomyKaplan-Meier EstimateImmunoenzyme TechniquesEsophageal NeoplasmsHydroxy AcidsNeoplasm InvasivenessCell Line, TumorAdenocarcinoma, PapillaryBiopsy, Fine-NeedleCarcinoma, Pancreatic DuctalRetrospective Studies