I have had a flat brown spot on my upper right jaw for about as long as i can remember, it is pretty much round, all one color of light brown and slightly raised. I had been reading about skin cancer and just wanted to have it checked. I went to my GP and he looked and said it looked fine dont worry. I have ocd and am a very anxious person so now i keep checking it. I guess the main quesion i have is does it sound ok to you and how offten does skin cancer come form existing moles on the face area. I am 40 year old white male no family history of melanoma very few moles over rest of body.