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melanoma skin cancer sign: asymmetry

a normal mole and a mole with halves that do not match.

melanoma is the most serious type of skin cancer. the most important warning sign of melanoma is a change in the size, shape, or colour of a mole or other skin growth, such as a birthmark.

  • asymmetry is one thing to watch for. this means that one half doesn't match the other half. call your doctor if you notice that:
    • one half of a mole doesn't match the other half.

current as of: october 25, 2023

author: healthwise staff
clinical review board
all healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

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