I have a purple spot on my bottom lip?

this spot has ben coming and going for about 3 to 4 years now ,when it first appears my lip will shead the top lair of skin just where the spot is .this happens in the late spring or early summer. the spot is not painfull at all.
Answer:
Ever hear of mouth cancer..
I'd be seeing a doctor...ASAP

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You have a STD

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Just for your peace of mind you should see a dermatologist.

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