De Giorgi, V., Scarfi, F., Boselli, C., Sacchetti, G., Natalizi, N., Castellano, D., & Covarelli, P. (2021). A rare case of polypoid primary anorectal melanoma with subsequent giant stomach metastasis: A gastrointestinal involvement of both primary and metastatic mucosal melanoma. Dermatology Reports, 13(3). https://doi.org/10.4081/dr.2021.9092