Squamous cell carcinoma can be very subtle if on the lips, and you might not really notice it. The spot can be pretty small and keeps getting rough and scaly but doesn’t heal.
Squamous Cell Carcinoma
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Precancerous lesions for squamous cell carcinoma (SCC) are called "actinic keratoses" (AKs). They look like a red or brown patch of sun damage. A suspicious area tends to be crusty and dry, and it may bleed. Though these lesions may not become cancerous, they have a good chance of being precursors of SCC. If treated early, however, AKs can be eliminated before becoming skin cancer.
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