LeiomyosarcomaLeiomyomaSmooth Muscle TumorUterine NeoplasmsSoft Tissue NeoplasmsVascular NeoplasmsSarcomaNeoplasms, Muscle TissueHistiocytoma, Benign FibrousLiposarcomaGastrointestinal NeoplasmsMesenchymomaSarcoma, SynovialRetroperitoneal NeoplasmsMuscle NeoplasmsDesminGastrointestinal Stromal TumorsSarcoma, Endometrial StromalMuscle, SmoothImmunohistochemistryComparative Genomic HybridizationProto-Oncogene Proteins c-kitTissue Array AnalysisTumor Markers, BiologicalPrognosisChromosome AberrationsOligonucleotide Array Sequence AnalysisTumor Suppressor Protein p53Gene Expression Regulation, NeoplasticSurvival RateGene Expression ProfilingExons