About Cancer

Cancer can start almost anywhere in the human body, which is made up of trillions of cells. Cancer is a condition where cells in a specific part of the body grow and reproduce uncontrollably. The cancerous cells can invade and destroy surrounding healthy tissue, including organs.

Cancer sometimes begins in one part of the body before spreading to other areas. This process is known as metastasis. Many cancers form solid tumours, which are masses of tissue. Cancers of the blood, such as leukaemia’s, generally do not form solid tumours.

More than 1 in 3 people will develop some form of cancer during their lifetime. In the UK, the 4 most common types of cancer are:

There are more than 200 different types of cancer, and each is diagnosed and treated in a particular way. You can find links on this page to information about other types of cancer.

Cancer is the most common cause of death in people under the age of 75 years