Fair: Malignant melanoma is an aggressive tumor, the potential for spread being volume of the lesion. This is measured by length x width followed by thickness. The thicker the lesion >2mm the greater the chance for spread. Ulceration also a poor prognostic finding. A small 3x4 mm lesion wont spread as a 3x4 cm lesion, so size and thickness count. Margins > 2 cm around resection important.
Answered 7/10/2018
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