YTHDF2 and intrahepatic cholangiocarcinoma: Overexpresssion of YTHDF2 promotes proliferation, inhibits apoptosis, decreases the arrest of the G0/G1 stage and desensitises ICC cells to cisplatin, which is dependent on the degradation of cyclin‐dependent kinase inhibitor 1B (CDKN1B) mRNA in an m6A‐dependent manner.