Squamous cell carcinoma (SCC) is the second most common type of skin cancer and accounts for approximately 20% of cutaneous malignancies. Although most cancer registries do not include information on the incidence of nonmelanoma skin cancer, annual incidence estimates range from 1 million to 3.5 million cases in the United States.[1,2]
Mortality is rare from this cancer; however, the morbidity and costs associated with its treatment are considerable.
Risk Factors for...