ras ProteinsGenes, rasProto-Oncogene Proteins B-rafProto-Oncogene Proteins p21(ras)Proto-Oncogene ProteinsMutationDNA Mutational AnalysisColorectal NeoplasmsReceptor, Epidermal Growth FactorOncogene Protein p21(ras)AdenocarcinomaLung NeoplasmsMelanomaras GTPase-Activating ProteinsLeukemia, Myelomonocytic, JuvenileGTP PhosphohydrolasesProto-Oncogene Proteins c-rafLeukemia, Myelomonocytic, Chronicraf KinasesSignal TransductionSkin NeoplasmsMutation RateCell Transformation, NeoplasticNeurocutaneous SyndromesNoonan SyndromePhosphatidylinositol 3-KinasesCell Line, Tumorras Guanine Nucleotide Exchange FactorsNevus, PigmentedMicrosatellite InstabilityCarcinoma, Pancreatic DuctalCodonMitogen-Activated Protein Kinase KinasesMAP Kinase Signaling SystemGene Expression Regulation, NeoplasticMAP Kinase Kinase 1OncogenesNeoplasm MetastasisProtein Kinase InhibitorsMelanosisDNA, NeoplasmLipoylationExtracellular Signal-Regulated MAP KinasesLaser Capture MicrodissectionAntibodies, Monoclonal, HumanizedPathology, MolecularCell ProliferationAntineoplastic AgentsPancreatic NeoplasmsPolymerase Chain ReactionPrognosisGene DosageMelanocytesHyperpigmentationProto-Oncogene Proteins c-kitDrug Resistance, Neoplasmral Guanine Nucleotide Exchange FactorMembrane ProteinsBase SequencePrecursor T-Cell Lymphoblastic Leukemia-LymphomaMolecular Sequence DataGuanosine Triphosphaterap GTP-Binding ProteinsMice, Transgenicras-GRF1Cyclin-Dependent Kinase Inhibitor p16Amino Acid SubstitutionPhosphorylationLeukemia, Myeloid, AcuteGenes, erbB-1Paranasal Sinus NeoplasmsGTPase-Activating Proteinsfms-Like Tyrosine Kinase 3DiphenylamineSon of Sevenless ProteinsAntibodies, MonoclonalEnzyme ActivationBenzimidazolesMitogen-Activated Protein KinasesFarnesolTissue FixationExonsMutation, MissenseGuanosine DiphosphateGenes, p16NIH 3T3 CellsDisease-Free SurvivalParaffin EmbeddingUveal NeoplasmsPhenotypeCarcinoma, Non-Small-Cell Lung3T3 CellsTumor Markers, BiologicalNeoplasm StagingTumor Suppressor Protein p53Gene Expression ProfilingMastocytosis, SystemicProtein-Serine-Threonine KinasesGene AmplificationApoptosis