CystadenomaCystadenoma, MucinousCystadenoma, SerousCystadenoma, PapillaryCystadenocarcinomaAppendiceal NeoplasmsMucocelePostoperative ComplicationsBiliary Tract NeoplasmsBile Duct NeoplasmsAppendixCystsAdenoma, Bile DuctSertoli-Leydig Cell TumorBile Ducts, IntrahepaticPancreatic NeoplasmsAdenolymphomaCystadenocarcinoma, MucinousCecal DiseasesHepatic Duct, CommonSpermatoceleEndocrine Gland NeoplasmsOvarian NeoplasmsTomography, X-Ray ComputedAspermiaPseudomyxoma PeritoneiUrologic Surgical Procedures, MaleSalivary Gland NeoplasmsPancreatic CystRetroperitoneal NeoplasmsNeoplasms, Multiple PrimarySalivary Glands, MinorPancreatic PseudocystCholangiopancreatography, Magnetic ResonancePancreatic DiseasesOvarian CystsRetrospective StudiesAppendectomyBile Ducts, ExtrahepaticPancreatectomyIntraoperative ComplicationsCholangiopancreatography, Endoscopic RetrogradeAdenocarcinoma, MucinousCystadenocarcinoma, Serous