Local symptoms may occur due to the mass of the tumor or its ulceration. For example, mass effects from lung cancer can block the bronchus resulting in cough or pneumonia; esophageal …

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

Dedicated to helping people who face cancer. Learn about cancer research, patient services, early detection, treatment and education at cancer.org.

Jan 17, 2023 · Cancer is a group of diseases that occur when abnormal cells divide rapidly and spread. Learn the types, causes, treatments, and prevention.

Accurate, up-to-date, comprehensive cancer information from the U.S. government's principal agency for cancer research.

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

Feb 3, 2025 · WHO fact sheet on cancer providing key facts and information on figures, causes, risk factors, prevention, early diagnosis, treatment, palliative care, WHO response.

Cancer is a group of diseases where abnormal cells grow out of control and crowd out normal cells. It affects 1 in 3 people in the United States. Chances are that you or someone you know …