Adenocarcinoma, MucinousAdenocarcinomaAppendiceal NeoplasmsCarcinoma, Signet Ring CellPseudomyxoma PeritoneiRectal FistulaCecal NeoplasmsCystadenoma, MucinousUrachal CystCalymmatobacteriumPerineumCystadenocarcinoma, MucinousMucin-2MucinsColorectal NeoplasmsStomach NeoplasmsNeoplasm StagingOvarian NeoplasmsImmunohistochemistryTumor Markers, BiologicalColonic NeoplasmsPrognosisRectal NeoplasmsMicrosatellite InstabilityKaplan-Meier EstimateLung NeoplasmsEsophageal NeoplasmsPancreatic NeoplasmsAdenocarcinoma, PapillaryBarrett EsophagusCarcinoma, Pancreatic DuctalAdenocarcinoma, Bronchiolo-Alveolar