Doctors will have to determine if that has happened to John McCain. The Arizona senator beat melanoma once before, in 1993. But people who have had skin cancer in the past, like Fred Flagg, need regular check-ups. B is border . A jagged border is bad.
C stands for color .
If it is mottled, have it checked. D is for diameter . Anything larger than the size of a pencil eraser should be examined. Knowing the signs of skin cancer might have saved Fred Flagg's life. WFAA-TV Co. All Rights Reserved.