Adenocarcinoma, MucinousAdenocarcinomaAppendiceal NeoplasmsCarcinoma, Signet Ring CellPseudomyxoma PeritoneiRectal FistulaCecal NeoplasmsCystadenoma, MucinousUrachal CystCalymmatobacteriumPerineumCystadenocarcinoma, MucinousMucin-2MucinsColorectal NeoplasmsStomach NeoplasmsNeoplasm StagingIntestinal MucosaOvarian NeoplasmsGastric MucosaImmunohistochemistryTumor Markers, BiologicalColonic NeoplasmsRectal NeoplasmsMicrosatellite InstabilityPrognosisMouth MucosaKaplan-Meier EstimateLung NeoplasmsEsophageal NeoplasmsPancreatic NeoplasmsBarrett EsophagusAdenocarcinoma, PapillaryCarcinoma, Pancreatic DuctalNasal MucosaAdenocarcinoma, Bronchiolo-AlveolarCardia