Shades of tan, brown, and black are present D iameter - the mole is greater across than a pencil eraser or is smaller than that but growing. The American Cancer Society Early stage melanomas can be difficult even for a trained physician to detect. If you are at all concerned, you should seek medical attention.
Press continue for some considerations in that regard.
If you are no longer concerned about your mole, here are some guidelines on prevention that can help prevent problems in the future.