Regardless, as underscored by both Suemune et al. [22] and Luong et al. [20], the tumor showed no mutation in exons 3, 4, and 5 of the CTNNB1 gene, and Suyama et al. [16] also found no mutation in exon 3 of the CTNNB1 gene. The gene discussed is CTNNB1; the disease is neoplasm.