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Squamous cell cancer
Squamous cell cancer involves cancerous changes to the cells of the middle portion of the epidermal skin layer. It is a malignant tumor, and is more aggressive than basal cell cancer, but is still slow-growing and unlikely to spread (metastasize) to other locations, such as internal organs.
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Senior Physician, Massachusetts General Hospital.