Adenocarcinoma, MucinousAdenocarcinomaAppendiceal NeoplasmsCarcinoma, Signet Ring CellPseudomyxoma PeritoneiRectal FistulaCecal NeoplasmsCystadenoma, MucinousUrachal CystCalymmatobacteriumPerineumCystadenocarcinoma, MucinousMucin-2Stomach NeoplasmsColorectal NeoplasmsMucinsNeoplasm StagingImmunohistochemistryTumor Markers, BiologicalOvarian NeoplasmsColonic NeoplasmsLung NeoplasmsPrognosisEsophageal NeoplasmsPancreatic NeoplasmsRectal NeoplasmsAdenocarcinoma, PapillaryBarrett EsophagusCarcinoma, Pancreatic DuctalMicrosatellite InstabilityAdenocarcinoma, Bronchiolo-AlveolarHistologyCardiaKaplan-Meier EstimateEsophagogastric JunctionGene Expression Regulation, NeoplasticKeratin-7Cell Line, TumorCarcinoma, Squamous CellEndometrial NeoplasmsNeoplasms, Multiple PrimaryPrecancerous ConditionsIntestinal Neoplasms