title: Metastatic cancer of unknown primary site.
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis; D000367:Age Factors; D001859:Bone Neoplasms / Q000175:diagnosis; D002277:Carcinoma / Q000175:diagnosis; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000175:diagnosis; D008175:Lung Neoplasms / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis / Q000401:mortality*; D013997:Time Factors