CDK7 and cholangiocarcinoma: Moreover, CDK7 mRNA expression was significantly higher in CCA than normal bile ducts or surrounding non-tumor liver tissues in GEO GSE26566 dataset (Fig. 2c), GSE107943 dataset (Fig. 2d), GSE32225 dataset (Fig. 2e), GSE76297 dataset (Fig. 2f), and GSE32879 dataset (Fig. 2g).