Mast-Cell SarcomaSarcoma, Clear CellMast CellsLangerhans Cell SarcomaSarcomaDendritic Cell Sarcoma, FollicularSarcoma, Small CellDendritic Cell Sarcoma, InterdigitatingSarcoma, SynovialHistiocytic SarcomaSoft Tissue NeoplasmsSarcoma, EwingSarcoma, ExperimentalSarcoma, KaposiAvian Sarcoma VirusesCell DegranulationSarcoma 180Histamine ReleaseDendritic Cells, FollicularOncogene Proteins, FusionNephroma, MesoblasticTryptasesLymphoma, Non-HodgkinChymasesReceptors, IgESarcoma Viruses, Murinep-Methoxy-N-methylphenethylamineLeiomyosarcomaRNA-Binding Protein EWSLymphoma, Large B-Cell, DiffusePeripheral Nervous System NeoplasmsCell TransdifferentiationImmunoglobulin ESarcoma, AvianImmunohistochemistryMastocytosisMicrophthalmia-Associated Transcription FactorV(D)J RecombinationKidney NeoplasmsWilms TumorSplenic NeoplasmsEye NeoplasmsSarcoma, MyeloidProto-Oncogene Proteins c-kitSarcoma, Endometrial StromalCromolyn SodiumTranslocation, GeneticHistamineMastocytosis, SystemicLeukemia, Mast-Cell