Gene AmplificationNeuregulin-1NeuregulinsReceptor, erbB-3Receptor, erbB-2Receptor, Epidermal Growth FactorGenes, erbBIn Situ Hybridization, FluorescenceGenes, erbB-2Epidermal Growth FactorNucleic Acid Amplification TechniquesGene DosagePolymerase Chain ReactionBreast NeoplasmsPhosphonoacetic AcidBase SequenceDihydroorotaseDrug ResistanceOncogene Proteins v-erbBGene Expression Regulation, NeoplasticTetrahydrofolate DehydrogenaseMolecular Sequence DataImmunohistochemistryGenes, mycBlotting, SouthernDNA, NeoplasmCell Line, TumorChromosomes, Human, Pair 17MutationCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)Nucleic Acid HybridizationTissue Array AnalysisOncogenesDNA PrimersTumor Cells, CulturedProto-Oncogene ProteinsTumor Markers, BiologicalRNA, MessengerSignal TransductionParaffin EmbeddingMethotrexateSensitivity and SpecificityChromogenic CompoundsCell LineQuinazolinesAspartate CarbamoyltransferaseChromosome AberrationsGenes, erbB-1DNAReverse Transcriptase Polymerase Chain ReactionPrognosisNeuroblastomaAdenocarcinomaSequence Analysis, DNAIn Situ HybridizationAneuploidyAntineoplastic AgentsProto-OncogenesDrug Resistance, NeoplasmAmaranthusCricetinaeChorionAntibodies, Monoclonal, HumanizedDNA, BacterialCricetulusRNA, NeoplasmLung NeoplasmsCyclin D1Fibroblast Growth Factor 3Gene ExpressionOncogene ProteinsDNA ProbesKaryotypingCloning, MolecularProto-Oncogene Proteins c-mdm2Neoplasm ProteinsChromosome MappingCarcinoma, Ductal, BreastGene RearrangementNeoplasm InvasivenessPhosphorylationDNA Mutational AnalysisOligonucleotide Array Sequence AnalysisNeoplasm StagingGene Expression ProfilingCell Transformation, NeoplasticProto-Oncogene Proteins c-mycComparative Genomic HybridizationDNA ReplicationAntibodies, MonoclonalAspartic AcidAmino Acid SequenceCarcinoma, Squamous CellImmunoenzyme TechniquesDNA Topoisomerases, Type IIEsophageal NeoplasmsCarcinomaPlasmidsCell ProliferationTransfection