<unk>  is a malignant muscle tumor. People with<unk>  often wake up with the feeling as if they had a cramp during their sleep. Leiomyosarcoma is sarcoma of smooth muscle, and rhabdomyosarcoma is sarcoma of striated muscle. However, the term<unk>  itself still appears in the literature.
Myosarcoma
Myoma
Pyomyoma
Sarcoma
Myxoma
Myxoid tumor
Rhabdomyosarcoma
Carcinosarcoma