About Cancer
Science-based information you can trust
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Cancer Basics
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After a Diagnosis
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Treatment
Cancer Care and Support Resources
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Managing Cancer Costs and Medical InformationLearn ways to manage health care information, bills, and other records, along with tips for saving money on pain medicines.
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Support for Families When a Child Has CancerAdvice to help families cope after a child has been diagnosed with cancer.
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Advanced CancerInformation to help with talking about and coping with advanced cancer, making choices about care, and planning for the end of life.
Dense Breasts: Answers to Commonly Asked Questions
What is breast density and how can it affect a woman's risk for breast cancer?
Learn MorePatient Resources
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NCI Dictionary of Cancer TermsLook up easy-to-understand definitions for words and phrases related to cancer and medicine.
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Patient Education PublicationsCheck out our patient education booklets, available as PDFs.
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Get AnswersConnect with a cancer information specialist at 1-800-4-CANCER, through live chat, or by email.
Risk Factors for Cancer | Did You Know?