Skin cancer warning signs include a mole or skin lesion that is asymmetrical (i.e., has an odd, unbalanced shape), has a border that is irregular or undefined, color that's inconsistent or changes, a diameter that's larger than a pencil eraser, or evolves in size or shape.
Do you know the short-term and long-term effects of too much sun exposure?
Early detection is key. Pay attention to the early warning signs of skin cancer.
Questions and answers about common moles, also called nevi.