Melanoma is a type of skin cancer that develops from the pigment cells known as melanocytes. It is caused due to high exposure to ultraviolet rays, which leads to sunburn, especially at high altitudes. Melanoma is categorized into three: cutaneous, mucosal, and ocular. Cutaneous affects the skin, mucosal affects the mucous membrane in the mouth and nasal passage, and ocular affects the eye.

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