Skin cancer is the most common cancer in the U.S., affecting millions worldwide. This cancer comes in two main types: melanoma, which is less common but more deadly, and nonmelanoma skin cancers, which include basal cell carcinoma and squamous cell carcinoma. Dr. Collin Costello, a Mayo Clinic dermatologist, says these nonmelanoma skin cancers are more prevalent — and with early diagnosis and treatment, the prognosis is good. Learn more: https://mayocl.in/4bEeZZg | Mayo Clinic