BAP1 and nevus: On histologic examination, all 15 cases with ≥2 CNAs showed a nodular or dome‐shaped lesion (Figures 1, 2, 3, 4); the architecture was symmetric in 10/15 cases (Figure 1A), with definitive background BAP1‐retained nevus present in 7/15 (Figure 2B) and not identified in 8/15 cases (Table 2).