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What is cancer?

Cancer starts when cells change abnormally.

Cancer is when abnormal cells divide in an uncontrolled way. Some cancers may eventually spread into other tissues.

There are more than 200 different types of cancer.

1 in 2 people in the UK will get cancer in their lifetime.

Thanks to research many people are cured.

Cancer grows as cells multiply over and over

cancer cells growing through normal tissue diagram

Cancer starts when gene changes make one cell or a few cells begin to grow and multiply too much. This may cause a growth called a tumour.

Some cancers can spread to other parts of the body

Where cancer can spread diagram

A primary tumour is the name for where a cancer starts.

Cancer can sometimes spread to other parts of the body – this is called a secondary tumour or a metastasis.

Cancer and its treatments can affect body systems, such as the blood circulation, lymphatic and immune systems, and the hormone system.

Is cancer genetic?

Genes and cancer

Sometimes cancers start due to inherited faulty genes passed down in families but this is rare.

Cancer can sometimes come back

Many cancers are cured. But in some people cancer can return.

Some cancers can’t be cured but treatment is often able to control them for some years.

There are 5 main cancer groups

Cancers are divided into groups according to the type of cell they start from. They include

Stages and grading of cancer

Staging and grading give an idea of how quickly a cancer may grow and which treatments may work best

The stage of a cancer means how big it is and whether it has spread.

Grading looks at how abnormal  the cancer cells are .

Naim and Renée Dangoor

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