It appeared small a few months ago but its getting worse. It doesn't itch or hurt. I'm 25 years old.
I took these pictures.
http://imageshack.com/a/img923/82/xVwwxf.jpg
http://imageshack.com/a/img924/8154/DE2GrR.jpg
http://imageshack.com/a/img924/803/AaVhqx.jpg