Combined hepatocellular carcinoma-cholangiocarcinoma: A misdiagnosed case preoperatively.

Combined hepatocellular carcinoma-cholangiocarcinoma (cHCC-CC) is a rare subtype in primary liver cancer, which is difficult to diagnose in clinics. In this report, we present a case of a 62-year-old male with abdominal pain and slightly elevated alpha-fetoprotein. The contrast-enhanced computed tomography scans showed a left liver mass, which showed adherence to the imaging characteristics of hepatocellular carcinoma. However, with the treatment of laparoscopic liver resection, the following histological examination displayed two distinct components, which were consistent with the diagnosis of cHCC-CC.