CLEVELAND, OH (CLEVELAND CLINIC) – As Lauren Koltcz flips through the pages of her book, she can’t help but glance down at the scar forming on her left thumb. In March, the entire nail had to be surgically removed after she was diagnosed with melanoma.
“It is rare, and it’s scary that it’s rare because a lot of people would not think to check their nails,” said Lauren.
She first noticed something strange in May of last year…