human
I've been hearing about a new type of cancer called melanoma. What is it?
assistant
Melanoma is a form of skin cancer that occurs when melanocytes, the cells that make pigment in the skin, become cancerous. It can occur anywhere on the body where there are melanocytes, but it is most commonly found on the skin. Melanoma is the most serious form of skin cancer and can spread to other parts of the body if not treated.