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Table 5 Tumour characteristics of 80 patients with cutaneous melanoma who underwent CLND divided according to the S-classification

From: SLN melanoma micrometastasis predictivity of nodal status: a long term retrospective study

Histologic type
S-group Ulceration % Breslow (mm) SSM % Nodular % Polipoid % CNLD + % Distal Mestastasis % Death
S1 56% 2.6 60% 27.5% 12.5% 0% 5% 7.5%
S2 40% 2.8 54% 33% 13% 40% 13% 13%
S3 83% 3.9 16% 56% 28% 36% 8% 24%