Liver Leiomyosarcoma

**Semantic type:** Neoplastic Process

**Definition:** An aggressive malignant smooth muscle neoplasm, arising from the liver. It is characterized by a proliferation of neoplastic spindle cells.

**Synonyms:** - Hepatic Leiomyosarcoma - Leiomyosarcoma of Liver - Leiomyosarcoma of the Liver