Subungual melanoma.
D000328:Adult; D000368:Aged; D000671:Amputation, Surgical; D003937:Diagnosis, Differential; D005260:Female; D005385:Fingers; D006801:Humans; D008197:Lymph Node Excision; D008297:Male; D008545:Melanoma / Q000175:diagnosis / Q000401:mortality; D008875:Middle Aged; D009262:Nails; D009364:Neoplasm Recurrence, Local; D014034:Toes