Skin cancer occurs when skin cells multiply abnormally, forming a tumor. Sun spots are due to an overproduction of a pigment called melanin in a small area of skin. Melanoma, the most severe type ...

The melanoma, which is a genetic variant and not caused by the sun, appeared on the then two-year-old's arm in June, 2023. It wasn't brown, didn't have rough edges or dark spots and didn't grow ...