Squamous cell carcinoma, much like basal cell carcinoma, is a common form of skin cancer. It forms in the squamous cells that make up the outer layer of skin.
Squamous cell carcinoma typically appears on skin that is exposed to ultraviolet (UV) radiation from sunlight or tanning beds. This includes the head, neck and face, but may occur elsewhere on the body, including the mouth.
Squamous cell carcinoma is rarely life-threatening, but left untreated can spread to other parts of the body and cause serious complications.
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