Impact of lncRNA SOX9-AS1 overexpression on the prognosis and progression of intrahepatic cholangiocarcinoma

•SOX9-AS1 as a predictive factor both in overall survival and recurrence-free survival.•SOX9-AS1 drives tumor growth and metastasis in ICC.•SOX9-AS1 may be applied as a new both diagnostic and prognostic purposed marker.