HNF1A and hepatocellular adenoma: HCA is a benign tumor originating from hepatocytes and is classified as HNF1A-mutated HCA (H-HCA), inflammatory HCA (IHCA), β-catenin-mutated HCA (b-HCA), b-IHCA, sonic hedgehog HCA (shHCA), and unclassified HCA (UHCA) based on its genotypic and phenotypic features [92].