This type of skin cancer is usually not difficult to detect, and when found early, it’s almost always curable. But left untreated for too long, melanoma becomes one of the deadliest of all cancers. This program explains self-exams and sun exposure precautions that can lower the risk of contracting melanoma. It describes the standard medical practices once melanoma is found, and the ongoing research to find more effective treatments, including a cancer vaccine that may be a model for treatment of many other kinds of cancer.