... The last and most rare type is malignant melanoma. With nearly 22,000 cases a year it causes almost 7,400 deaths. All other types of skin cancer cause 1,900 deaths per year. Even though melanoma is extremely dangerous it has a better outlook due to knowledge of patients and doctors, diagnosis, and improved ... be checked again every six months initially, and then every year after that. Squamous cell carcinoma Squamous cell carcinoma is the second most common skin cancer. It originates in the keratinocyetes, which constitute the uppermost layer of the skin. It effects the same group of p...

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