Radiation Therapy Oncology Group

**Semantic type:** Health Care Related Organization

**Definition:** A multi-institutional cooperative organization, a national cancer study research group comprised of 250 of the major research institutions nationally and in Canada, funded by NCI, headquartered in Philadelphia with almost 30 years of experience in running clinical trials. More than 40 clinical trials that involve radiation therapy either alone or in conjunction with surgery and/or chemotherapeutic drugs are active at any one time within RTOG. The group is interested in quality of life issues and their effects on the cancer patient

**Synonyms:** - RTOG