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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.
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.
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.
Cancer - Symptoms and causes - Mayo Clinic
Find out the basics about cancer, including symptoms, causes and treatments. Learn steps you can take to prevent cancer.
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: Symptoms, Causes, Treatment, Stages, Prevention
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 cancer. Learn why cancer occurs and how cancer cells form.
Comprehensive Cancer Information - NCI
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.
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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