An extremely rare, aggressive, high-grade and poorly differentiated carcinoma with neuroendocrine differentiation that arises from the liver. The disease is Monarch Disease Ontology term MONDO_0015072 (liver neuroendocrine carcinoma). Also known as: HNEC, PHNEC, hepatic neuroendocrine carcinoma, liver neuroendocrine cancer, neuroendocrine carcinoma of liver, primary hepatic neuroendocrine carcinoma, primary liver neuroendocrine carcinoma.