Photodynamic Therapy for Prevention of Nonmelanoma Skin Cancer in Organ Transplant Recipients

The study will draw patients from the Transplant Dermatology specialty clinic, where the investigators see organ transplant recipients (OTR) for regular screening and serve as a regional referral center for this population. Enrollment will be limited to 20 patients. Inclusion criteria are organ transplant recipients status, active immunosuppression for at least 5 years, and history of at least one NMSC.