CTNNB1 and neoplasm: We found four missense mutations of the CTNNB1 gene in three tumours: Pro44Ala (CCT to GCT) and Ser45Pro (TCT to CCT) in #11, Thr41Ala (ACC to GCC) in #21, and Ser45Tyr (TCT to TAT) in #35 (Tables 1 and 2, Figure 2D).