umls-concept:C0206648 | skos:definition | MSH: A condition characterized by multiple formations of myofibromas (LEIOMYOMA).,NCI: A benign neoplasm arising from the soft tissues. It is characterized by the presence of myofibroblastic hyperchromatic spindle cells, hylanized stroma formation, calcification, necrosis, and a multinodular growth pattern. | lld:umls |