Intergroup, I.M. (2025) “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”., Dermatology Reports [Preprint]. doi:10.4081/dr.2025.10763.