Possible signs and symptoms of cancer include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements. [1] While these symptoms may indicate …

Oct 11, 2021 · Explanations about what cancer is, how cancer cells differ from normal cells, and genetic changes that cause cancer to grow and spread.

Learn about cancer at the American Cancer Society. Find information for specific cancer types: breast, colon, lung, prostate, skin, and more.

Learn how to lower your cancer risk and what CDC is doing to prevent and control cancer.

Nov 19, 2024 · Find out the basics about cancer, including symptoms, causes and treatments. Learn steps you can take to prevent cancer.

Feb 3, 2025 · Many cancers can be cured if detected early and treated effectively. Cancer is a generic term for a large group of diseases that can affect any part of the body. Other terms used are …

Dec 18, 2025 · Understanding different types of cancer can help you take an active role in your care, especially if you are diagnosed with one that is less common. Learn more.

Read about cancer symptoms, causes, treatment, stages, prognosis, diagnosis, types, and prevention. Learn what cancer is and what causes it. Inform yourself about the role viruses play in contributing to …

Sep 30, 2025 · Cancer terminology can be complex and confusing. In this explainer, we talk about cancer staging and grading and what that means, how it's done and why it's important.

Nov 6, 2023 · Cancer starts when cells change abnormally. Cancer cells are different than normal cells. Your cancer type depends on the type of cell it started in. Some cancers spread through the blood or …