CHEK2 and dermatofibrosarcoma protuberans: Of the 92 DFSP cases, there were 4 (n = 4/92 [4.3%]) individuals with P/LP variants of CHEK2 (HUGO Gene Nomenclature Committee [HGNC] ID: 16627; NM_007194.4, NP_009125.1): 3 individuals with c.470T>C p.(Ile157Thr) and 1 individual with c.1100del p.(Thr367MetfsTer15) (Table 2).