Liposarcoma, MyxoidLiposarcomaHair DiseasesGene RearrangementRNA-Binding Protein FUSTranscription Factor CHOPSoft Tissue NeoplasmsDioxolesGene Rearrangement, B-Lymphocyte, Light ChainTetrahydroisoquinolinesLipomaGene Rearrangement, T-LymphocyteChromosomes, Human, Pair 12Muscle NeoplasmsGene Rearrangement, B-Lymphocyte, Heavy ChainTranscription FactorsChromosomes, Human, Pair 16Oncogene Proteins, FusionTranscription, GeneticGene Rearrangement, gamma-Chain T-Cell Antigen ReceptorTranslocation, GeneticRNA-Binding Protein EWSGene Rearrangement, B-LymphocyteRetroperitoneal NeoplasmsGene Rearrangement, beta-Chain T-Cell Antigen ReceptorSarcomaNeoplasms, Adipose TissueExtremitiesBase SequenceGene Rearrangement, delta-Chain T-Cell Antigen ReceptorGenes, ImmunoglobulinMolecular Sequence DataCCAAT-Enhancer-Binding ProteinsImmunoglobulin Heavy ChainsAntineoplastic Agents, AlkylatingGene Rearrangement, alpha-Chain T-Cell Antigen ReceptorChondrosarcomaNeoplasms, Connective and Soft TissueReverse Transcriptase Polymerase Chain ReactionPolymerase Chain Reaction