Intergroup IM. 21 | Melanoma in situ: long-term outcomes and follow-up strategies based on risk stratification: Beatrice De Checchi1, Paolo del Fiore2, Irene Russo2, Chiara Trevisiol2, Marco Domenico Mazza2, Saveria Tropea2, Francesco Russano2, Mauro Alaibac3, Carlomaria Gianesini4, Giovanni Madeo4, Simone Mocellin2|4 | 1Department of Medicine, University of Padua, Padua; 2Soft-Tissue, Peritoneum and Melanoma Surgical Oncology Unit, Veneto Institute of Oncology IOV-IRCCS, Padua; 3Department of Dermatology, University of Padua; 4Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy. Dermatol Reports [Internet]. 2025 Dec. 11 [cited 2026 Jun. 10];. Available from: https://journals.pagepress.net/dr/article/view/10763