Precancerous ConditionsCarcinoma in SituProtein PrecursorsCarcinoma, Pancreatic DuctalPancreatic NeoplasmsMetaplasiaUterine Cervical NeoplasmsImmunohistochemistryHyperplasiaAdenocarcinomaDisease ProgressionTumor Markers, BiologicalCervical Intraepithelial NeoplasiaDysplastic Nevus SyndromeAdenomaCarcinoma, Squamous CellAnus NeoplasmsAmyloid beta-Protein PrecursorPapillomavirus InfectionsCell Transformation, NeoplasticPeriodic Acid-Schiff ReactionEndometrial HyperplasiaColonic PolypsMutationCystadenocarcinoma, MucinousGastritis, AtrophicAdenocarcinoma, MucinousEarly Detection of CancerBarrett EsophagusStomach NeoplasmsTissue Array AnalysisProstatic Intraepithelial NeoplasiaWilms TumorCarcinoma, Intraductal, NoninfiltratingVaginal SmearsEsophageal NeoplasmsGene Expression Regulation, NeoplasticEnzyme PrecursorsNeoplasm GradingGenes, rasNeoplasm InvasivenessHuman papillomavirus 16Loss of HeterozygosityEndometrial NeoplasmsPancreasPolymerase Chain ReactionClaudin-4CarcinomaRNA PrecursorsBase SequencePapillomaviridaeDNA, NeoplasmSkin NeoplasmsDisease Models, AnimalPapanicolaou TestBiopsyColorectal NeoplasmsTumor Suppressor Protein p53Molecular Sequence DataPancreatic DuctsMice, TransgenicNeoplasm ProteinsImmunoenzyme TechniquesGastric MucosaNucleic Acid PrecursorsDNA MethylationRisk FactorsMass ScreeningMelanomaSensitivity and SpecificityAmino Acid SequenceAmyloid Precursor Protein SecretasesReverse Transcriptase Polymerase Chain ReactionMicrosatellite RepeatsCell DifferentiationOvarian NeoplasmsLung NeoplasmsCyclin-Dependent Kinase Inhibitor p16ColonoscopyCell Line, TumorRetrospective StudiesProtein Processing, Post-TranslationalGene Expression ProfilingSignal TransductionEpitheliumStem Cellsras ProteinsPrognosisEpithelial CellsDNA, ViralCarcinogensBreast NeoplasmsKidney NeoplasmsTranscription FactorsDNA Mutational AnalysisTrans-ActivatorsGenes, p53Neoplasm StagingIn Situ Hybridization, FluorescenceOncogene Proteins, Viral