CTNNB1 and neoplasm: Among 10 total samples harboring blood germline WT1 variants, somatic tumor 11p15.5 LOH, and somatic tumor CTNNB1 variants, there were three sets of paired synchronous BWT (SJWILM066776, 066780, 051028) in which each of the paired tumors had somatic exon 3 CTNNB1 variants.