How does the mitotic index impact patients with T1 melanoma? Comparison between the 7th and 8th edition of the American Joint Committee on Cancer melanoma staging system

Gershenwald, 2017, Melanoma staging: Evidence-based changes in the American Joint Committee on Cancer eighth edition cancer staging manual, CA Cancer J Clin., 67, 472, 10.3322/caac.21409 Balch, 2009, Final version of 2009 AJCC melanoma staging and classification, J Clin Oncol., 27, 6199, 10.1200/JCO.2009.23.4799 Wong, 2018, Sentinel Lymph Node Biopsy and Management of Regional Lymph Nodes in Melanoma: American Society of Clinical Oncology and Society of Surgical Oncology Clinical Practice Guideline Update, J Clin Oncol., 36, 399, 10.1200/JCO.2017.75.7724 National Comprehensive Cancer Network [Internet]. Melanoma [cited 2015 May 19]. Available from: https://www.nccn.org/professionals/physician_gls/pdf/melanoma.pdf. Duprat, 2005, Sentinel lymph node biopsy in cutaneous melanoma: analysis of 240 consecutive cases, Plast Reconstr Surg., 115, 1944, 10.1097/01.PRS.0000165279.99067.79 Bertolli, 2015, Evaluation of melanoma features and their relationship with nodal disease: the importance of the pathological report, Tumori., 101, 501, 10.5301/tj.5000298 Wong, 2012, Sentinel lymph node biopsy for melanoma: American Society of Clinical Oncology and Society of Surgical Oncology joint clinical practice guideline, J Clin Oncol., 30, 2912, 10.1200/JCO.2011.40.3519 Leiter, 2016, Complete lymph node dissection versus no dissection in patients with sentinel lymph node biopsy positive melanoma (DeCOG-SLT): a multicentre, randomised, phase 3 trial, Lancet Oncol., 17, 757, 10.1016/S1470-2045(16)00141-8 Faries, 2017, Completion Dissection or Observation for Sentinel-Node Metastasis in Melanoma, N Engl J Med., 376, 2211, 10.1056/NEJMoa1613210 Caulley, 2018, Management of Sentinel-Node Metastasis in Melanoma, N Engl J Med., 378, 85, 10.1056/NEJMclde1712449 Murali, 2010, Non-Sentinel Node Risk Score (N-SNORE): a scoring system for accurately stratifying risk of non-sentinel node positivity in patients with cutaneous melanoma with positive sentinel lymph nodes, J Clin Oncol., 28, 4441, 10.1200/JCO.2010.30.9567 Bertolli, 2019, Validation of a Nomogram for Non-sentinel Node Positivity in Melanoma Patients, and Its Clinical Implications: A Brazilian-Dutch Study, Ann Surg Oncol., 26, 395, 10.1245/s10434-018-7038-9 Scolyer, 2013, Data Set for Pathology Reporting of Cutaneous Invasive Melanoma, Am J Surg Pathol., 37, 1797, 10.1097/PAS.0b013e31829d7f35