Multilineage differentiation drives hamartoma formation in large-to-giant congenital melanocytic naevi: evidence for naevocyte multipotency. - Wei, Boxuan; Zhu, Danli; Jin, Jiamin; Lai, Bohan; Gu, Jieyu; Yan, Yuxin; Meng, Jianxia; Yang, Ran; Huang, Huailiang; Lin, Hongzhan (British Journal of Dermatology, 2026)