Cancerbackup: What is cancer?

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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.


Content last reviewed: 01 October 2005
Page last modified: 05 December 2005

The best cancer information for everyone
Cancerbackup has merged with Macmillan Cancer Support. We will be providing the same high quality, expertly developed information about cancer, but now we can make it available to everyone who needs it.