National Cancer Institute
Cancer Information Service
Toll-free: 1-800-4-CANCER (1-800-422-6237)
TTY: 1-800-332-8615

Answers questions about cancer clinical trials and cancer-related services and helps users find information on the NCI Website. NCI provides online support and free publications.

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American Cancer Society

Toll-free: 1-800-962-7876

Offers a variety of services to patients and their families. It also supports research, provides printed materials, and conducts educational programs.