Adenocarcinoma, MucinousAdenocarcinomaAppendiceal NeoplasmsCarcinoma, Signet Ring CellPseudomyxoma PeritoneiRectal FistulaCecal NeoplasmsCystadenoma, MucinousCell DifferentiationUrachal CystCalymmatobacteriumPerineumCystadenocarcinoma, MucinousMucin-2MucinsColorectal NeoplasmsStomach NeoplasmsImmunohistochemistryNeoplasm StagingOvarian NeoplasmsTumor Markers, BiologicalColonic NeoplasmsRectal NeoplasmsMicrosatellite InstabilityPrognosisKaplan-Meier EstimateLung NeoplasmsPancreatic NeoplasmsEsophageal NeoplasmsAdenocarcinoma, PapillaryBarrett EsophagusCarcinoma, Pancreatic DuctalCells, CulturedAdenocarcinoma, Bronchiolo-AlveolarRNA, MessengerSignal TransductionTranscription FactorsStem CellsCell ProliferationCell LineCell DivisionGene Expression Regulation, Developmental