Leiomyosarcoma of the cervix uteri is a rare, malignant mesenchymal tumor of smooth muscle origin, macroscopically appearing as a large, poorly circumscribed mass, often protruding from the cervical canal or expanding it circumferentially. The most common presenting symptoms are vaginal discharge or bleeding, pain in the lower abdomen and a bulky cervical mass. There is a reported tendency to metastatsize hematogenously, especially to the lungs, peritoneum, bones and the liver. The disease is MONDO_0016283 (leiomyosarcoma of the cervix uteri). Also known as: cervical leiomyosarcoma, leiomyosarcoma of uterine cervix, uterine cervix leiomyosarcoma.