Non healing sore: A lip cancer will often present as a non healing sore. This can be anywhere on the lips, and is related to smoking, especially cigars and pipes but also cigarettes. We are seeing a rise in incidence in young people who "dip snuff" or use chewing tobacco. Here's a picture of a neglected lip cancer.
Answered 3/12/2020
4.9k views
Painless: It might start as a painless non-healing lesion.
Answered 9/11/2013
4.9k views
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