Melanoma can go away on its own. Melanoma on the skin can spontaneously regress, or begin to, without any treatment. That's because the body's immune system is able launch an assault on the disease that's strong enough to spur its retreat.

How long can melanoma go untreated?

It can become life-threatening in as little as 6 weeks and, if untreated, it can spread to other parts of the body. Melanoma can appear on skin not normally exposed to the sun. Nodular melanoma is a highly dangerous form of melanoma that looks different from common melanomas.

Can melanoma be completely cured?

Treatment can completely cure melanoma in many cases, especially when it has not spread extensively. However, melanoma can also recur. It is natural to have questions about the treatment, its side effects, and the chances of cancer recurring.