Adenocarcinoma, MucinousAdenocarcinomaAppendiceal NeoplasmsCarcinoma, Signet Ring CellPseudomyxoma PeritoneiCystsCystadenoma, MucinousPancreatic CystRectal FistulaCecal NeoplasmsCystadenocarcinoma, MucinousUrachal CystCalymmatobacteriumPerineumMucin-2MucinsColorectal NeoplasmsCystadenomaStomach NeoplasmsCystadenoma, SerousNeoplasm StagingOvarian NeoplasmsImmunohistochemistryPancreatic NeoplasmsTumor Markers, BiologicalCystadenocarcinomaColonic NeoplasmsRectal NeoplasmsCentral Nervous System CystsMicrosatellite InstabilityPrognosisCarcinoma, Pancreatic DuctalCyst FluidNeoplasms, Cystic, Mucinous, and SerousTomography, X-Ray ComputedPancreatic PseudocystMediastinal CystBone CystsEndosonographyMagnetic Resonance ImagingKaplan-Meier EstimateLung NeoplasmsBronchogenic CystLymphangioma, CysticHidrocystomaEsophageal NeoplasmsOdontogenic CystsRadicular CystEchinococcosisArachnoid CystsEchinococcosis, HepaticAdenocarcinoma, PapillaryMucoceleBarrett EsophagusPancreatectomyAdenocarcinoma, Bronchiolo-AlveolarEpidermal CystBreast CystNeurocysticercosisAnticestodal AgentsCA-19-9 AntigenBrain DiseasesMaxillary DiseasesGynecological ExaminationMandibular DiseasesRetrospective StudiesCystic Adenomatoid Malformation of Lung, CongenitalSweat Gland Neoplasms