ACOR
From ACOR's website: "ACOR is a unique collection of online cancer communities designed to provide timely and accurate information in a supportive environment. It is a free lifeline for everyone affected by cancer & related disorders...ACOR online communities are for parents, caregivers, family members, and friends to discuss clinical and nonclinical issues and advances pertaining to all forms of a specific disease. This includes patient and caregiver experiences, psychosocial issues, new research, clinical trials, long-term side effects and discussions of current treatment practices
Cancer.org
A good resource for information
Levine Cancer Institute
Advanced Sarcoma Treatment is offered at Levine Cancer Institute