I have melanoma under my toenail. now, a tiny mole typelump has appeared on the sole of my foot. is it possible thatthe melanoma has spread?

It may: Have or it could be a new lesion. Please check with your dr. Asap.

Melanoma: The only way to diagnose it definitively is by examination and a biopsy if indicated.

It is possible: You need to follow up with the doctor who treated the original melanoma asap.

Possible: It is possible. You should see your friendly dermatologist and alert them to these new symptoms.