Response to hepatic arterial infusion chemotherapy combined with camrelizumab and targeted therapy in advanced primary hepatic neuroendocrine carcinoma: a case report and literature review

Primary hepatic neuroendocrine carcinoma (PHNEC), which often lacks distinctive radiological features or specific clinical symptoms, is extremely rare. In this report, we describe a rare case of PHNEC that was successfully treated with hepatic arterial infusion chemotherapy (HAIC) combined with camrelizumab and targeted therapy.