Active surveillance of patients who have sentinel node positive melanoma : an international, multi‐institution evaluation of adoption and early outcomes after the Multicenter Selective Lymphadenectomy trial II (MSLT‐2)Broman, Kristy K.; Hughes, Tasha M.; Dossett, Lesly A.; Sun, James; Kirichenko, Dennis A.; Carr, Michael J.; Sharma, Avinash; Bartlett, Edmund K.; Nijhuis, Amanda AG.; Teras, Jüri; Teras, Roland MartinCancer2021 / p. 2251-2261 https://doi.org/10.1002/cncr.33483