ONP cancers in brca2hg5/hg5;tp53zdf1/zdf1 zebrafish are further defined by widespread sox10 expression (Figs. 1B, S3, and Kouprianov et al. [8]) and the precancerous ONP in brca2hg5/hg5;tp53zdf1/zdf1 frequently exhibits aberrant proliferation of sox10-positive cells [8]. Here, SOX10 is linked to cancer.