Adenoma, VillousAdenocarcinoma, MucinousAdenomatous PolypsAdenomaColonic PolypsAdenocarcinomaPolypsAppendiceal NeoplasmsIntestinal PolypsAdenomatous Polyposis ColiCarcinoma, Signet Ring CellColorectal NeoplasmsColonic NeoplasmsRectal NeoplasmsPseudomyxoma PeritoneiColonoscopyCecal NeoplasmsDuodenal NeoplasmsAdenomatous Polyposis Coli ProteinAmpulla of VaterRectal FistulaCommon Bile Duct NeoplasmsNeoplasms, Multiple PrimaryCystadenoma, MucinousMuscle NeoplasmsUrachal CystCalymmatobacteriumPerineumNasal PolypsSigmoidoscopyCystadenocarcinoma, MucinousMucin-2Colonography, Computed TomographicImmunohistochemistryMucinsHyperplasiaStomach NeoplasmsColonTumor Markers, BiologicalIntestinal MucosaNeoplasm StagingRectumPrecancerous ConditionsOvarian NeoplasmsGenes, APCPrognosis