Carcinoma of unknown primary: a 20 year retrospective analysis.
D000368:Aged; D003110:Colonic Neoplasms / Q000175:diagnosis; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis / Q000175:diagnosis*; D010190:Pancreatic Neoplasms / Q000175:diagnosis; D012004:Rectal Neoplasms / Q000175:diagnosis