“…143,162,163 The incidence of NCM has been estimated to range from 2.5% to 45% in patients with GCMN. 36,113,127,139,143,[164][165][166] Risks regarding smaller lesions are not as well defined, but appear to be much lower. 127,156,163 Suggested risk factors for NCM have been reported to be the presence of a GCMN, male sex, satellite nevi or multiple CMN, and head, neck, or posterior midline location (not supported by every study).…”