But the lines were still there. Kennedy News & Media Tagliamonte went to a dermatologist, who told her the “discoloration at the base of my thumb nail ... this black line in my nail was coming ...

The black lines (left) on Michelle Tagliamonte's thumb were a sign of cancer.

Tagliamonte underwent an "invasive" four-hour surgery to remove the cancer — but says she's "grateful" she caught it early An Ohio mom developed black lines on her thumbnail — an early sign of ...

Nail biting and thumb sucking are common habits in children, which are often seen in their formative years. Though these ...