WWTR1 and cholangiocarcinoma: For the individual CCA types, we detected a specific nuclear YAP positivity in 39.5% (iCCA), 41.9% (pCCA), and 29.4% (dCCA), while we observed nuclear TAZ for 31.6% (iCCA), 35.5% (pCCA) and 65.9% (dCCA) of all cases (Table 1).