discoloration of lips

hi..there 1 yr ago i found a small white spot on my upper lip which has no pain.but slowly the spot start to expand which spread all over my lip...covering 20% of lip area...i also want to tell that iam a smoker,but after that i quit smoking for long time and that thing heals but not much...now it cover 10% of my lip area maximum in lower lip..i visited the dermotologist and he said it is vitiligo...click here to continue

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