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.

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. Find a Cancer Type

Alphabetical list of all cancers, with links to disease-specific and general information about treatment, coping, screening, prevention, clinical trials, and other topics.

Immunotherapy is a type of cancer treatment that helps your immune system fight cancer. This page covers the types of immunotherapy, how it is used against cancer, and what you can expect during treatment.

Side effects are problems that occur when cancer treatment affects healthy tissues or organs. Learn about side effects caused by cancer treatment. Know what signs and symptoms to call your doctor about.

Apr 27, 2023 · If you have been diagnosed with cervical cancer, you may have questions about how serious the cancer is and your chances of survival. The likely outcome or course of a disease is called prognosis. The prognosis for cervical cancer depends on many factors:

Breast cancer is the second most common cancer in women after skin cancer. Mammograms can detect breast cancer early, possibly before it has spread. Start here to find information on breast cancer treatment, causes and prevention, screening, research, and statistics.

Dec 20, 2024 · NCI Director Dr. Kimryn Rathmell reviews some of the most noteworthy cancer research findings from 2024, including advances in immunotherapy for children with cancer, a potential therapy for cachexia, and valuable insights into cancer biology.

Jul 24, 2024 · Certain popular ideas about how cancer starts and spreads—though scientifically wrong—can seem to make sense, especially when those ideas are rooted in old theories. But wrong ideas about cancer can lead to needless worry and even hinder good prevention and treatment decisions.

Jan 31, 2025 · Can surgery be used to reduce someone’s risk of breast cancer? How effective is risk-reducing mastectomy? Who should consider having surgery to reduce their risk of breast cancer? Can a person have risk-reducing surgery if they have already been diagnosed with breast cancer? What are the potential harms of risk-reducing surgeries?