Melanoma Information by Stage - Melanoma Focus

Melanoma is a serious form of cancer that arises when the pigment-producing cells in the skin (melanocytes) may display as a mole or lesion that grows, changes shape, or colour.

About melanoma

Our experts have created specialist resources including comprehensive information on melanoma stages and treatment to help you make informed choices.

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We have a professional membership for clinicians, scientists and nurses in the field of melanoma. We provide key educational resources, the melanoma TrialFinder and research grants, in addition to organising two multidisciplinary meetings each year.

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We know there is more that can be done to stop melanoma and the suffering it causes, but we need your help.

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As experts in melanoma, we provide information, guidance and support for patients, carers and healthcare professionals. We have built a community of melanoma specialists who underpin our commitment to melanoma education and research.

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Melanoma Information by Stage

Patient guide

Patient Guide

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Melanoma staging explained

We help you understand melanoma staging

Stage 0 – Melanoma in-situ

Stage 0 melanoma is not considered a skin cancer and is sometimes called a ‘pre-cancer’.

Stage 1

Stage I melanoma is the thinnest form of the disease. Read more.

Stage 2

Stage 2 melanoma is only in the skin & there is no sign that it has spread to lymph nodes or other parts of the body

Stage 3

Stage 3 can be subdivided into stages 3A, 3B, 3C and 3D. Read more.

Stage 4

Stage 4 melanoma is also called advanced melanoma. Learn more.