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What is skin cancer?
Dr. Daniel Glass defines skin cancer as cells that are multiplying too rapidly when they shouldn’t be. The different types of skin cancerare named after the different skin cells they come from.
Transcript
So we name cancers after where the cells come from, and skin cancer is like any other cancer. It's a cell that is multiplying too rapidly when it shouldn't be. And the cancer, itself, derives from a particular skin cell. And there are number of different types of skin cancers, and those are named after which particular skin cell they come from.

