Disseminated Disseminated Malignant Mesothelioma Malignant Mesothelioma Disseminated Malignant Mesothelioma EnolahtyuiTaft Monday, December 25, 2017 Leiomyoma wikipedia. A leiomyoma, also known as fibroids, is a benign smooth muscle tumor that very rarely becomes cancer (0.1%). They can o...