Skin cancer is a disease that begins in the cells of the skin. Nonmelanoma skin cancer is the most common type of cancer in the U.S. Learn more about symptoms, diagnosis, and treatments.
The stage of a cancer is how much and how far the cancer has spread in your body. It's one of the most important things to know when deciding how to treat the cancer. Here's what you need to know about the stages of nonmelanoma skin cancer.
