I have an area about 3 inches long and 1 inch wide that has turned greyish almost black. It has been there for about 2 months. I'm not sure if I should have a doctor look at it or if it's just discoloration. You can't feel it, and it hasn't changed since I noticed it. I'm a 31 year old female and fair complected. If anyone has had this problem before I would love to know if you found out what it was. Thank You