Moles that meet any of the following descriptions should be brought to the attention of a dermatologist. A symmetry-The appearance of one side of a mole doesn't match the other side. Normal moles tend to be symmetrical. The edge of a mole is jagged, rather than smooth. C olor-A mole exhibits a mixture of colors including red, white, blue, brown and black.
Normal moles are usually only one color.
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