Unknown primary tumors
Keywords: بقای کل; αFP; alpha-fetoprotein; βHCG; human chorionic gonadotropin; CA; cytosine-adenosine; CEA; carcinoembryonic antigen; CK; cytokeratin; EGFR; epidermal growth factor receptor; ECM; extracellular matrix; EANM; European Association of Nuclear Medicine; FFPE;