[First known case of primary malignant melanoma of the umbilicus].
D006801:Humans; D008499:Medical Records; D008545:Melanoma; D009369:Neoplasms; D010235:Paraganglioma; D014472:Umbilicus
MELANOMA/case reports; UMBILICUS/neoplasms
Prima osservazione nota di melanoma maligno primitivo della cicatrice ombelicale.