How long can you live without treating melanoma?

5-year relative survival rates for melanoma skin cancer

SEER stage	5-year relative survival rate
Localized	99\%
Regional	66\%
Distant	27\%
All SEER stages combined	93\%

Can melanoma go undetected for years?

How long can you have melanoma and not know it? It depends on the type of melanoma. For example, nodular melanoma grows rapidly over a matter of weeks, while a radial melanoma can slowly spread over the span of a decade. Like a cavity, a melanoma may grow for years before producing any significant symptoms.

Can it take years for melanoma to spread?

The lesion can grow slowly for 5 to 15 years in the in situ form before becoming invasive. The exact percentage of lentigo maligna lesions that progress to invasive lentigo maligna melanoma is unknown but is estimated to be less than 30\% to 50\%.

What happens if you don’t get melanoma treated?

Melanoma can grow very quickly. 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.

Is a melanoma itchy?

Yes, skin cancer can be itchy. For example, basal cell skin cancer can appear as a crusty sore that itches. The deadliest form of skin cancer — melanoma — can take the form of itchy moles. See your doctor for any itchy, crusty, scabbed, or bleeding sore that’s not healing.

How does your body feel when you have melanoma?

You may lose your breath, have chest pain or noisy breathing or have a cough that won’t go away. You may feel pain in your liver (the right side of your stomach) Your bones may feel achy. Headaches that won’t go away.