When looking at your skin for atypical moles, check and see if your moles have: Asymmetry, irregular Borders, multiple Colors, a Diameter greater than 6mm (the size of a pencil eraser), or any other Evolution or change. These ABCDE’s are used to identify irregular growths on the skin, including melanoma.
If you have dysplastic nevi, your dermatologist may recommend getting a full-body skin check more than once a year.