What is squamous cell carcinoma?
A person with squamous cell carcinoma has abnormal cells in the skin that multiply out of control. These cells can form tumors and spread to other parts of the body. The cause of squamous cell carcinoma is unknown, but exposure to the sun and genetics play a role in determining risk. About 1 in 1,000 people develop squamous cell carcinoma each year in the US. Most people with squamous cell carcinoma are cured with treatment.

What are the symptoms of squamous cell carcinoma?
Symptoms of a squamous cell carcinoma include a red, firm, scaly skin lesion that has a crusty surface. The skin lesion may crack or bleed, and does not heal.

How does the doctor treat squamous cell carcinoma?
Treatment for a squamous cell carcinoma may include surgery, chemotherapy, or radiation therapy.