Y Song D Xu L Sun K Ding Y Hu Y Yuan
10.1159/000350421
Case Rep Oncol
2013 Mar 21;6(1):154-7.
melanoma omphalitis umbilicus
CC BY-NC-ND
https://pubmed.ncbi.nlm.nih.gov/23626553/
Case Reports
PMC3636959
23626553
Diagnosis and management of primary umbilical melanoma with omphalitis features
2013