Second, when pathologists observe steatosis nodules and have no clear portal areas in morphology, they are prone to misdiagnosis as neoplastic lesions such as steatohepatitis subtype HCC and HNF1α inactivated hepatocellular adenoma.[12,13] By recognizing this case of MNFIL, I believe that pathologists can avoid misdiagnosis. The gene discussed is HNF1A; the disease is hepatocellular adenoma.