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Non-Communicable Diseases, Emergency Care and Mental Health

Non-Communicable Diseases, Emergency Care and Mental Health

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Diagram of normal and cancer cells
Figure 3.2  (a) Cells in the body are usually well organised into tissues and do not grow beyond their normal boundaries. (b) Cancer cells grow uncontrollably, forming a mass with undefined boundaries. (Source: The Open University, 2008, Understanding Cancers, SK123, Figure 2.1, p.22)

 3.2  What is a cancer?