- Cancer Information Service from the National Cancer Institute
- National Comprehensive Cancer Network
- Oncolink
- American Cancer Society
- National Cancer Institute: Cancer Trials
- The Cancer Information Network
- BenchMarks, from the NCI press office.
Site-Specific Cancer Information
- National Breast Cancer Organization
- National Ovarian Cancer Coalition
- Leukemia and Lymphoma Society
- International Myeloma Foundation
- Kidney Cancer Association
- Melanoma Information
- National Brain Tumor Foundation
- Prostate Cancer Education and Support
Patient and Family Support
- Oncolink Psychosocial Support and Personal Experiences
- National Coalition for Cancer Survivorship
- National Breast Cancer Coalition
- National Hospice Foundation
- Cancer Care, Inc.
- National Lymphedema Network
- National Marrow Donor Program
- Cancer Fatigue.org
- Corporate Angel Network
Complementary/Alternative Medicine
- National Cancer Institute: Complementary/Treatment
- National Center for Complementary & Alternative Medicine
- American Cancer Society: Alternative and Complementary Therapies
