The National Leiomyosarcoma Foundation's mission is to: provide patient education opportunties and support through patient/family/caregiver educational programs, collaborating with cancer research centers throughout the United States, including the UK and Canada; provide patient advocacy on legislative issues and initiatives that advance awareness of leiomyosarcoma and research efforts, and promote and fund leiomyosarcoma research in support of accelerating treatment advancements and breakthroughs.