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Cancer - Wikipedia
Cancer is a group of diseases involving uncontrolled cell growth typically resulting in tumors with the potential to invade or spread to other parts of the body. [2][8] These malignant tumors contrast with benign tumors, which do not spread. [8] Over 100 types of cancers affect humans. [8][9]
What Is Cancer? - NCI
Explanations about what cancer is, how cancer cells differ from normal cells, and genetic changes that cause cancer to grow and spread.
All About Cancer - American Cancer Society
Learn about cancer at the American Cancer Society. Find information for specific cancer types: breast, colon, lung, prostate, skin, and more.
Cancer - World Health Organization (WHO)
WHO fact sheet on cancer providing information on the health burden of different types of cancer, causes, risk factors, prevention, early diagnosis, treatment, palliative care, and WHO's work in this area.
What Is Cancer? Symptoms, Causes & Types - Cleveland Clinic
Having cancer is a life-changing event. Knowing what to expect — from diagnosis to recovery — can empower you and help you take control of your health. This is a general overview of what cancer is, what causes it, how healthcare providers treat it and how you can take care of yourself throughout your journey.
A to Z List of Cancer Types - NCI
Alphabetical list of all cancers, with links to disease-specific and general information about treatment, coping, screening, prevention, clinical trials, and other topics.
Cancer Symptoms: Early Warning Signs You Shouldn't Ignore - WebMD
How long can you have cancer without knowing? There's no simple answer, as there are many forms of cancer, and many factors influence how quickly any cancer grows and spreads enough to cause...
Cancer: Types, Causes, Treatment, and Prevention - Healthline
Cancer is a group of diseases that occur when abnormal cells divide rapidly and spread. Learn the types, causes, treatments, and prevention methods.
Cancer | Definition, Causes, Types, & Treatment | Britannica
Cancer is a disease characterized by the uncontrolled multiplication of abnormal cells in the body. There are numerous types of cancers, with certain types being major causes of sickness and death worldwide.
What Is Cancer? | Cancer Basics | American Cancer Society
Cancer starts when cells begin to grow out of control. Here is some information to help you better understand and define cancer.
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