Gene AmplificationStomach NeoplasmsIn Situ Hybridization, FluorescenceGenes, erbB-2Genes, NeoplasmNucleic Acid Amplification TechniquesGene Expression Regulation, NeoplasticGastrectomyReceptor, erbB-2Polymerase Chain ReactionCell Line, TumorAdenocarcinomaGene DosageBreast NeoplasmsNeoplasmsGenetic TherapyPrognosisImmunohistochemistryTumor Markers, BiologicalDNA, NeoplasmBase SequenceMutationNeoplasm InvasivenessNeoplasm ProteinsMice, NudeNeoplasm StagingGene Expression ProfilingMolecular Sequence DataReverse Transcriptase Polymerase Chain ReactionOncogenesTumor Cells, CulturedRNA, MessengerPhosphonoacetic AcidHelicobacter pyloriLung NeoplasmsEarly Detection of CancerHelicobacter InfectionsNeoplasm MetastasisGastric MucosaDrug ResistanceAntineoplastic AgentsDihydroorotaseOvarian NeoplasmsReceptor, Epidermal Growth FactorGenes, mycGenetic VectorsTetrahydrofolate DehydrogenaseTissue Array AnalysisSensitivity and SpecificityCarcinomaChromosomes, Human, Pair 17Prostatic NeoplasmsDNA PrimersOligonucleotide Array Sequence AnalysisBlotting, SouthernAdenoviridaeSurvival RateSurvival AnalysisDNA Mutational AnalysisDrug Resistance, NeoplasmGenetic Predisposition to DiseaseColonic NeoplasmsDisease ProgressionCell ProliferationChromosome AberrationsGene ExpressionLymphatic MetastasisEsophageal NeoplasmsDNA MethylationCell Transformation, NeoplasticPromoter Regions, GeneticCarcinoma, Squamous CellProto-Oncogene ProteinsNeoplasm TransplantationApoptosisRNA, NeoplasmGenotypeTumor Suppressor Protein p53Blotting, WesternXenograft Model Antitumor AssaysCarcinoma, Signet Ring CellRetrospective StudiesRNA, Small InterferingTransfectionNucleic Acid HybridizationFluorouracilAntineoplastic Combined Chemotherapy ProtocolsGenes, p53Kaplan-Meier EstimatePrecancerous ConditionsSequence Analysis, DNACell LineMethotrexateStomachGastroscopyDNAParaffin EmbeddingReproducibility of ResultsCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)Polymorphism, Genetic