American Cancer Society
(www.cancer.org)
The American Cancer Society (ACS) is a nationwide, community-based voluntary health organiation. Headquartered in Atlanta, Georgia, the ACS has state divisions and more than 3,400 local offices.

National Cancer Institute
(www.cancer.gov)
The National Cancer Institute coordinates the National Cancer Program, which conducts and supports research, training, health information dissemination, and other programs with respect to the cause, diagnosis, prevention, and treatment of cancer, rehabilitation from cancer, and the continuing care of cancer patients and the families of cancer patients.

Cancer Center at Mayo Clinic
(http://ndc.mayo.edu/mayo/research/cancercenter/)
Mayo Clinic Cancer Center is a National Cancer Institute (NCI)-designated cancer center with a national presence. Its three campuses -- in Phoenix/Scottsdale, Ariz.; Jacksonville, Fla.; and Rochester, Minn. -- give Mayo Clinic Cancer Center a broad geographic reach to serve diverse patient populations, and are home to outstanding, internationally recognized physicians and scientists. These individuals collaborate across the full spectrum of cancer research, from basic biology to treatment, seeking to find ways to lessen the burden of cancer on society.