That's reasonable: I'd have that checked by a dermatologist, general surgeon, or plastic surgeon. Your concern is a reasonable one. Good luck.
Answered 10/30/2016
3.9k views
ABCDEF: A-Age; 5-7 decade. African-Am, Asian-Am, Native-Am. B-Brown or black. Width greater than 3mm. C-Change D-Digit. Thumb or big toe most common. E-Extension of color change to skin. F-Positive family history. When in doubt, see a doctor.
Answered 9/13/2017
665 views
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