Incipient Melanonychia: Benign Finding or Occult Malignancy? A Case Report of Subungual Melanoma. - Quiroz Alfaro AJ; Greiffenstein J; Herrera Ortiz AF; Dussan Tovar CA; Saldarriaga Santamaría S; Cifuentes Burbano J; García N; Rodríguez Díaz MC; Sierra Molina SM; Jiménez Calfat G (Cureus, 2023)