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Cancer is a group of diseases characterized by abnormal cell growth and spread, and it is a leading cause of death worldwide. Learn about the risk factors, prevention strategies, early detection methods and treatment options for cancer from WHO.
Cancer is a group of diseases caused by abnormal cell growth and spread, also known as neoplasm or malignant tumour. WHO provides facts, data, initiatives and publications on cancer prevention, diagnosis, treatment and survivorship.
Breast cancer is a disease in which abnormal breast cells grow out of control and form tumours. It is the most common cancer in women and can spread to other organs. Learn about the risk factors, signs, diagnosis and treatment options from WHO.
Lung cancer is a serious health issue that can cause severe harm and death. It is caused by abnormal cells growing in the lungs, often due to smoking tobacco or other risk factors. Learn about the diagnosis, stages, and treatment options for lung cancer from WHO.
Learn how WHO works with countries to reduce exposure to cancer risk factors and promote healthy lifestyles. Find out the main causes and impacts of cancer, and the ways to prevent it through vaccination, environmental protection, and lifestyle changes.
Cancer is one of the leading causes of death in the world. Yet, many of these deaths can be avoided. Between 30-50% of cancers are preventable by healthy lifestyle choices such as avoidance of tobacco and public health measures like immunization against cancer causing infections. Others can be detected early, treated and cured.
Cervical cancer is caused by persistent HPV infection and can be prevented by vaccination and screening. It can be cured if diagnosed and treated early, but it disproportionately affects women in low- and middle-income countries.
WHO's cancer agency released the latest estimates of the global cancer burden in 2022, showing the disproportionate impact on underserved populations and the urgent need to address cancer inequities worldwide. The survey also revealed significant gaps in cancer services coverage and financing across countries, with lower-income countries facing major challenges.
Learn about cancer in Viet Nam, a leading cause of death and a major public health concern. Find out the risk factors, the latest data, and the WHO's work on cancer control and prevention.
Learn about the causes, symptoms, diagnosis, treatment and outcomes of childhood cancer, a leading cause of death for children and adolescents. Find out how WHO and its partners are working to improve access to care and survival rates in low- and middle-income countries.