of the skin, the dermis. From here the deadly cells move inside the body, “Melanoma can spread quickly to others parts of the body through the lymph system or through the blood, with the lungs and the liver being the most common sites” (What 1).
When a melanoma occurs, it can grow in either a radial or horizontal direction. Radial, or horizontal, melanomas grow on the outside of the skin and may rest there for years. However, if they are left untreated or go undetected they will begin a rapid vertical growth. When they start to grow vertically they invade the dermis and then the blood stream and lymph system. From there they enter other organs, thus, early detection is one of the best forms of prevention and raises the chances for curing melanoma. Even if an individual with skin cancer has melanoma, if it is detected early there is a very high chance for cure. However, average life expectancy is two y
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