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A: Asymmetry - The two halves of your mole should match; if they don't, the mole may be precancerous.

B: Border - A precancerous mole often has uneven borders, with scalloped or notched sides.

C: Color - Precancerous moles may have a variety of colors, such as shades of brown, tan and/or black. A melanoma can be red, blue or other colors.

D: Diameter - A mole that is larger than the size of a pencil eraser is more likely to be precancerous or may be an early melanoma.

E: Evolving - Changes in the mole, such as shape, size, color or new symptoms, such as itching or bleeding indicates a potential precancerous mole.

See a Dermatologist

If you find a mole with any of the above traits, be sure to visit your dermatologist. If you do not already see a dermatologist, you can find a board-certified one in your area by using the Finder tool on Never try and remove moles yourself.

Melanoma is easily cured when detected early so follow the ABCDEs above.

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