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, [S. l.], v. 13, n. 3, 2021. DOI: 10.4081/dr.2021.9092. Disponível em: https://journals.pagepress.org/dr/article/view/9092. Acesso em: 19 jun. 2025.