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Aldehyde dehydrogenase 1 is associated with recurrence‐free survival but not stem cell‐like properties in hepatocellular carcinoma

Aim:  It has been reported that aldehyde dehydrogenase 1 A1 (ALDH1) could be not only a normal stem cell marker but also a cancer stem cell marker. ALDH1 expression could be a predictor of poor prognosis in a wide range of cancers. However, the role of ALDH1 in hepatocellular carcinoma (HCC) remains unclear.