American Association for Cancer Research (AACR)

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Leading Discoveries

The new issue of Leading Discoveries magazine is now available, highlighting research-driven advances in cancer science and medicine.

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About Cancer

Cancer is not a single disease, but rather a collection of diseases all characterized by the uncontrolled proliferation of cells.

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AACR Cancer Progress Report 2025

Unifying Cancer Science and Medicine: A Continuum of Innovation for Impact. The AACR Cancer Progress Report highlights research-driven advances against the collection of devastating diseases we call cancer.

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Cancer Types

More than 226,000 people living in the United States will be diagnosed with lung cancer this year. November is Lung Cancer Awareness Month. Learn about prevention, screening, and treatment options for lung cancer.

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On the AACR Blog

The Psychological Toll of Cancer: Cancer diagnosis and treatment can be an emotional rollercoaster that can have a major impact on a patient’s well-being.

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AACR Grant Giving

Investing in Innovation: The AACR grants program sparks innovation in basic, translational, and clinical research by providing critical support to promising investigators at all career levels.

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Support Lifesaving Research

Whether honoring a special person or a special day, a donation to the American Association for Cancer Research has a lasting impact.

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For Researchers
AACR Annual Meeting 2026: Abstract Submission Open

Submit an abstract for the AACR Annual Meeting 2026 (April 17-22, 2026, San Diego).
Deadline: November 18, 2025

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Videos

AACR Cancer Progress Report 2025

The AACR Cancer Progress Report 2025 highlights research-driven advances against the collection of often devastating diseases we call cancer.

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The AACR: Driving Progress Against Cancer

The AACR and its more than 58,000 members worldwide are advancing a scientifically bold agenda against the collection of diseases we call cancer.

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Lillian L. Siu, MD, FAACR

Dr. Siu, AACR President 2025-2026, discusses the importance of collaboration to accelerating advances in cancer science and medicine.

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By the Numbers

34

percent decrease of the overall age-adjusted cancer death rate in the U.S. from 1991 to 2023

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28

therapeutics were approved for new or expanded uses by the FDA from July 1, 2024, to June 30, 2025

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18.6

million cancer survivors in the U.S. are living with, through, and beyond their disease thanks to research

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4 in 10

cancer diagnoses in the United States are associated with preventable risk factors

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For more statistics on cancer, please visit our Cancer Progress ReportRead the AACR Cancer Progress Report