Prognostic Risk Factors in Squamous Cell Skin Cancer
Large Tumor Size
Visible tumor size on the skin larger than 2 centimeters (about 3/4 inch) in diameter.
Specific Tumor Locations
For example, tumors on the ear, lip, cheek, temple, and other areas.
Patient Immunosuppression
Squamous cell skin cancer patients who also have an immune system that is suppressed. This could be from medication related to a solid organ transplant or an inflammatory disease.
Deep Tumors
Cancer cells moving down from the skin surface, deep into underlying tissue.
Poorly Differentiated Grade
A specific tissue characteristic a doctor identifies using a microscope.

Perineural Involvement
SCC cells that have invaded spaces around nerves.
= Surgical and Pathology Findings
= History and Physical Examination
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