A leiomyosarcoma is a rare cancerous tumor of the smooth muscle cells. It is most often found in the uterus or abdomen.
Goldblum JR, Folpe AL, Weiss SW. Leiomyosarcoma. In: Goldblum JR, Folpe AL, Weiss SW, eds. Enzinger and Weiss's Soft Tissue Tumors. 7th ed. Philadelphia, PA: Elsevier; 2020:chap 16.
National Comprehensive Cancer Network website. NCCN clinical practice guidelines in oncology (NCCN guidelines): soft tissue sarcoma. Version 1.2018. www.nccn.org/professionals/physician_gls/pdf/sarcoma.pdf. Updated October 31, 2017. Accessed July 15, 2020.