Myeloproliferative DisordersPolycythemia VeraJanus Kinase 2Primary MyelofibrosisThrombocythemia, EssentialThrombocytosisReceptors, ThrombopoietinMyelodysplastic-Myeloproliferative DiseasesLeukemia, Myelomonocytic, ChronicSplenomegalyLeukemia, Myelomonocytic, JuvenileLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeBone Marrow NeoplasmsMutationHematopoiesis, ExtramedullaryLeukemia, Myelogenous, Chronic, BCR-ABL PositiveEarly Detection of CancerLeukemia, Neutrophilic, ChronicBone MarrowMyelodysplastic SyndromesHematopoietic Stem CellsFusion Proteins, bcr-ablCell Transformation, NeoplasticSarcoma Viruses, MurineLeukemia, MyeloidProstatic NeoplasmsReceptor, Fibroblast Growth Factor, Type 1Ovarian NeoplasmsHypereosinophilic SyndromeMegakaryocytesOncogene Proteins, FusionLeukocytosisLeukemia, Myeloid, AcuteGenes, ablBreast NeoplasmsMoloney murine sarcoma virusLung NeoplasmsDisease ProgressionNeoplasmsSTAT5 Transcription FactorNeoplasm ProteinsStomach NeoplasmsGene Expression Regulation, NeoplasticColonic NeoplasmsMyelopoiesisAnemia, RefractoryPrognosisGranulocytesAntineoplastic AgentsLeukemia, Megakaryoblastic, AcutePhiladelphia ChromosomeMutation, MissenseThrombopoietinCell ProliferationBlast CrisisNeoplasm MetastasisDNA Mutational AnalysisNeoplasm InvasivenessReverse Transcriptase Polymerase Chain ReactionGenetic Predisposition to DiseaseProto-Oncogene ProteinsProto-Oncogene Proteins c-cblSurvival RateChromosomes, Human, Pair 8Cell Line, TumorPancreatic NeoplasmsSurvival AnalysisPolycythemiaTranslocation, GeneticLeukemiaHematologic NeoplasmsSignal TransductionRetrospective StudiesProtein Kinase InhibitorsMice, NudeCancer VaccinesHematopoiesisBone Marrow CellsJanus KinasesDown SyndromeNeoplastic Stem CellsBudd-Chiari SyndromeFollow-Up StudiesBenzamidesPolymerase Chain ReactionChromosomes, Human, Pair 20PyrimidinesHydroxyureaGene Expression ProfilingRNA, MessengerDrug Resistance, NeoplasmPhenotypeTumor Markers, BiologicalHepatomegalyColony-Forming Units AssayMyeloid CellsDNA-Binding ProteinsProto-Oncogene Proteins c-bcrRegistriesUterine Cervical Neoplasms