Improving the lives of all people through cancer research
For People Affected by Cancer
NCI is the nation’s trusted source for cancer information. We are here for you with information about causes and risk factors, symptoms, how cancer is diagnosed, and treatment options.
For Researchers
Support for the best science underpins everything NCI does. Explore our resources to help researchers conduct their work and apply for funding and training opportunities.
Featured News and Research
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Scientists Link a Single Bacterium to Colorectal Cancer
The bacteria subtype fueled precancerous growths in mice and was often found in human tumor samples.
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AI Tool Helps Predict Responses to Cancer Drugs
In a trial, the tool accurately predicted how individual cells would respond to single drugs and drug combinations.
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Preventive Measures Look to Be Effective for People with BRCA Gene Changes
MRI scans and surgery appear to lower the risk of dying from breast and ovarian cancer.
Are You Ready to Contribute to Progress against Cancer?
Everyone has a role to play in the fight against cancer. Learn more and get involved.
Learn MoreNCI Fiscal Year 2025 Professional Judgment Budget Proposal
Each year, NCI prepares a professional judgment budget to lead progress against cancer.
Learn MoreGet Answers
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Get StartedBrain and Other Nervous System Cancers | Did You Know?
Our Organization
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Senior Leaders
Information about NCI Director Dr. W. Kimryn Rathmell and other senior NCI leaders.
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NCI Divisions, Offices, and Centers
NCI has 30 divisions, offices, and centers who work together to build, maintain, and enhance a cohesive and comprehensive cancer research agenda.
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Advisory Boards and Review Groups
NCI relies on advisory committees to provide advice on the National Cancer Program, NCI scientific priorities, and more.