Adenocarcinoma, MucinousCystadenomaCystadenoma, MucinousCystadenoma, SerousAppendiceal NeoplasmsAdenocarcinomaCystadenoma, PapillaryCarcinoma, Signet Ring CellPseudomyxoma PeritoneiCystadenocarcinomaRectal FistulaCystadenocarcinoma, MucinousCecal NeoplasmsUrachal CystCalymmatobacteriumPerineumMucoceleOvarian NeoplasmsMucin-2MucinsColorectal NeoplasmsPancreatic NeoplasmsStomach NeoplasmsNeoplasm StagingImmunohistochemistryTumor Markers, BiologicalBiliary Tract NeoplasmsBile Duct NeoplasmsColonic NeoplasmsAppendixRectal NeoplasmsMicrosatellite InstabilityAdenoma, Bile DuctCystsPrognosisSertoli-Leydig Cell TumorBile Ducts, IntrahepaticNeoplasms, Multiple PrimaryAdenolymphomaCecal DiseasesHepatic Duct, CommonEndocrine Gland NeoplasmsSpermatoceleSalivary Gland NeoplasmsKaplan-Meier EstimateLung NeoplasmsAspermiaTomography, X-Ray ComputedPancreatic CystEsophageal NeoplasmsSalivary Glands, MinorAdenocarcinoma, PapillaryUrologic Surgical Procedures, MaleRetroperitoneal NeoplasmsBarrett EsophagusCarcinoma, Pancreatic DuctalAdenocarcinoma, Bronchiolo-AlveolarPancreatectomyBile Ducts, ExtrahepaticCholangiopancreatography, Magnetic ResonancePancreatic PseudocystPancreatic DiseasesOvarian CystsCystadenocarcinoma, SerousAppendectomy