ACOR: The Leiomyosarcoma Online Support Group
- Mailing list and archives provides support and information about the disease.
- http://listserv.acor.org/archives/l-m-sarcoma.html

LMSarcoma Direct Research Foundation
- Dedicated to bringing patients and researchers together to find a cure for this type of cancer. Includes history, news, donations, grants, locations, clinical trials, resource, and support information.
- http://www.lmsdr.org/

LMS Research Advocates
- Offers information about DNA microarray techniques, genetics, tumor donation and specific researcher biographies.
- http://www.lmsra.org/

Leiomyosarcoma.net
- Provides related links, access to an online support group and information about treatment, centers and doctors.
- http://www.leiomyosarcoma.net

Leiomyosarcoma.info
- Provides medical information for patients and doctors, including a tutorial, treatment options, support and research reports.
- http://www.leiomyosarcoma.info

Dr. Mel Bottorff's Leiomyosarcoma Battle
- Provides information, family memories, photos, and related cancer links.
- http://www.melvinbottorff.com/

Yahoo! Groups: LMSarcoma
- Support and information sharing for patients and caregivers of this disease.
- http://health.groups.yahoo.com/group/LMSarcoma/

National LMS Foundation
- Non-profit entity whose stated aim is to advance treatment and research efforts for leiomyosarcoma patients.
- http://www.nlmsf.org/