
Keywords: تومور کارسینوئید; Carcinoid tumour; Neuroendocrine tumours; Liver metastases; Prognosis; Somatostatin analogues; Surgical treatment; NET; neuroendocrine tumour; pNET; pancreatic neuroendocrine tumour; fNET; functional neuroendocrine tumours; OS; overall survival; CI; confi