Cancer associated with the external area associated with human body. The most typical cancer into the U.S. There are many types of skin cancer. Ultraviolet light from sunlight could be the main cause of cancer of the skin. Unexplained alterations in the look of skin, enduring longer than 14 days, should always be evaluated by a health care provider. The treatment rate for cancer of the skin could be 100percent if all epidermis cancers had been brought to a health care provider's attention before that they had to be able to spread.