ON THIS PAGE: You will find out more about body changes and other things that can signal a problem that may need medical care. To see other pages, use the menu on the side of your screen.
Changes in the size, shape, color, or feel of a mole is often the first warning sign of melanoma. These changes can occur in an existing mole, or melanoma may appear as a new or abnormal-looking mole. The "ABCDE" rule is helpful in remembering the warning signs of melanoma: