Definition: A tumor composed of smooth muscle tissue, as opposed to leiomyoma, a tumor derived from smooth muscle.
a specific histol type: do not confuse with NEOPLASMS, MUSCLE TISSUE, a group histol term, or with LEIOMYOMA (see MeSH definition); /blood supply /chem /second /secret /ultrastruct permitted; coord IM with precoord organ/neopl term (IM); restricted use:
