What is cancer?

Further information on what cancer is, the common types of cancer and how it develops is available in the About cancer section of the site.

About cancer

Content last reviewed: 1 August 2010

Next planned review: 2013

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For answers, support or just a chat, call the Macmillan Support Line free (Monday to Friday, 9am-8pm)

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If you have any questions about cancer, need support or just want someone to talk to, ask Macmillan.

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Macmillan Cancer Support, registered charity in England and Wales (261017), Scotland (SC039907) and the Isle of Man (604). A company limited by guarantee, registered in England and Wales company number 2400969. Isle of Man company number 4694F. Registered office: 89 Albert Embankment, London SE1 7UQ.