An open sore that does not
heal, and may bleed, ooze or crust. The
sore might persist for weeks, or appear to
heal and then come back.
A reddish patch or irritated area, on the face, chest, shoulder, arm or leg that may crust, itch, hurt or cause no discomfort.
A shiny bump or nodule that is pearly or clear, pink, red or white. The bump can also be tan, black or brown, especially in dark-skinned people, and can be mistaken for a normal mole.