HCA), or hepatic adenoma, is the third leading benign liver tumor and has bleeding and malignant transformation tendencies. HCA occurs primarily in young females of childbearing age and is associated with oral contraceptive use, steroid drug use, obesity, glycogen storage disease, and iron load in thalassemia. In men, it occurs less often, usually with a history of anabolic steroid use. HCA is classified into 4 molecular subgroups on the basis of genetic and phenotype characteristics: HNF1A mutated adenomas (H-HCA), inflammatory adenomas (I-HCA), unclassified adenomas (U-HCA), and β-catenin