MDM2 and leiomyosarcoma: Finally, we confirmed the expected overexpression of some genes: KIT and ANO1/DOG1 in GISTs, MDM2 and CDK4 in non-myxoid/round cells liposarcomas, CALD1 and tropomyosin genes (TPM1, TPM2) in leiomyosarcomas, PDGFB in DFSPs, MUC1/EMA in synovial sarcomas, and CD34 in SFTs.