CTNNB1 and neoplasm: Correlating the individual CTNNB1 mutational status and tumor site, we observed a significantly higher incidence of deleterious T41 alterations in intra-abdominal compared to abdominal and extra-abdominal DTF cases (n = 43/59; 72.9% vs. n = 63/125; 50.4%; p = 0.0042).