what is leiomyosarcoma cancer
Leiomyosarcoma. Leiomyosarcoma is a cancerous tumor of smooth muscle cells. It can arise almost anywhere in the body, but is most common in the uterus, abdomen or pelvis. Learn about leiomyosarcoma and find information on how we support and care for people with leiomyosarcoma before, during, and after treatment.