3 doctors weighed in:

What is wrong with my finger nail? It has a tan or coffee color line growing out.

3 doctors weighed in
Dr. Morris Westfried
Dermatology
2 doctors agree

In brief: See dermatolgist

This can be a mole growing under nail or rarely the first sign of melanoma.
This requires biopsy for definitive evaluation. Do not ignore

In brief: See dermatolgist

This can be a mole growing under nail or rarely the first sign of melanoma.
This requires biopsy for definitive evaluation. Do not ignore
Dr. Morris Westfried
Dr. Morris Westfried
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