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Macmillan and Cancerbackup merged in 2008. Together we provide free, high quality information for people affected by cancer through our publications, website and phone service. Find out more|.
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Melanoma is a cancer which usually starts in the skin, either in a mole or in normal-looking skin
The skin is divided into two main layers: the epidermis and the dermis
The main risk factor for melanoma is exposure to ultra violet (UV) light
There are the four main types of skin (cutaneous) melanoma
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