disease has location musculoskeletal system benign neoplasm skeletal muscle neoplasm benign neoplasm benign skeletal muscle neoplasm https://github.com/monarch-initiative/mondo/issues/6395 UMLS:C1332538 MEDGEN:234035 benign skeletal muscle neoplasm MONDO:1010148 benign tumor of the skeletal muscle NCIT:C6515 benign tumor of skeletal muscle benign neoplasm of the skeletal muscle benign skeletal muscle tumor benign neoplasm of skeletal muscle GARD:0028129 A benign mesenchymal neoplasm arising from skeletal muscle tissue. skeletal muscle tissue