AdenomaAdenocarcinomaAdenoma, VillousAdenoma, PleomorphicAdenocarcinoma, MucinousPituitary NeoplasmsLung NeoplasmsAdrenocortical AdenomaPancreatic NeoplasmsAdenoma, Liver CellEsophageal NeoplasmsAdenocarcinoma, PapillaryColorectal NeoplasmsImmunohistochemistryStomach NeoplasmsCarcinoma, Pancreatic DuctalBarrett EsophagusAdenocarcinoma, Bronchiolo-AlveolarAdenoma, ChromophobeColonic NeoplasmsTumor Markers, BiologicalColonic PolypsGrowth Hormone-Secreting Pituitary AdenomaCardiaIntestinal NeoplasmsNeoplasms, Multiple PrimaryACTH-Secreting Pituitary AdenomaColonoscopyAdenomatous PolypsGene Expression Regulation, NeoplasticPrecancerous ConditionsPrognosisAdenoma, AcidophilProlactinomaNeoplasm StagingDuodenal NeoplasmsCell Line, TumorKeratin-7Esophagogastric JunctionAdenoma, BasophilRectal NeoplasmsAdrenal Cortex NeoplasmsHyperplasiaCarcinomaCarcinoma, Squamous CellAdenomatous Polyposis ColiNeoplasm InvasivenessGenes, rasTumor Cells, CulturedImmunoenzyme TechniquesSalivary Gland NeoplasmsEndometrial NeoplasmsMutationRNA, MessengerAmpulla of VaterCommon Bile Duct NeoplasmsReverse Transcriptase Polymerase Chain ReactionRetrospective StudiesNeoplasm ProteinsGenes, APCDNA, NeoplasmDisease ProgressionMetaplasiaCecal NeoplasmsProstatic NeoplasmsCase-Control StudiesCarcinoma, EndometrioidTissue Array AnalysisAdenocarcinoma, Clear CellCarcinoma, Signet Ring CellPolymerase Chain ReactionGene Expression ProfilingMammary Neoplasms, ExperimentalParotid NeoplasmsMolecular Sequence DataTreatment OutcomeRisk FactorsAcromegalySurvival RateIleal NeoplasmsNeoplasm Recurrence, LocalBiopsyCell Transformation, NeoplasticColonJejunal NeoplasmsCushing SyndromePancreaticoduodenectomyKeratin-20Neoplasm MetastasisSurvival AnalysisLymphatic MetastasisSigmoid NeoplasmsAdrenal Gland NeoplasmsCarcinoembryonic AntigenTomography, X-Ray ComputedTime FactorsCarcinoma, Acinar CellKi-67 AntigenCarcinoma in SituIntestinal Mucosa