Over 500,000 Americans are expected to die from some form of cancer in 2015 in the United States. It’s a major killer, and can occur almost anywhere in and on the body. The vast majority of people are familiar with lung cancer and breast cancer, but nail cancer? Not so much.

Doctor Dana Stern is a nail specialist in New York, and has some interesting and helpful information to share. What started as a brown stripe in the nail of a patient started to change and when she went to the doctor, she discovered she had nail cancer. Doctor Stern provided CBS with some helpful warning signs that a nail stripe might be melanoma or cancer.