Adenocarcinoma, MucinousAdenocarcinomaAppendiceal NeoplasmsCarcinoma, Signet Ring CellPseudomyxoma PeritoneiRectal FistulaCecal NeoplasmsCystadenoma, MucinousUrachal CystCalymmatobacteriumPerineumCystadenocarcinoma, MucinousMucin-2Stomach NeoplasmsColorectal NeoplasmsMucinsNeoplasm StagingImmunohistochemistryTumor Markers, BiologicalColonic NeoplasmsOvarian NeoplasmsLung NeoplasmsPancreatic NeoplasmsEsophageal NeoplasmsPrognosisRectal NeoplasmsAdenocarcinoma, PapillaryBarrett EsophagusCarcinoma, Pancreatic DuctalMicrosatellite InstabilityAdenocarcinoma, Bronchiolo-AlveolarCardiaKaplan-Meier EstimateEsophagogastric JunctionKeratin-7Gene Expression Regulation, NeoplasticCell Line, TumorCarcinoma, Squamous CellEndometrial NeoplasmsNeoplasms, Multiple PrimaryPrecancerous ConditionsIntestinal Neoplasms