title: [Diagnostic value of the serum tumor markers CEA and CYFRA 21-1 in patients with non-small cell lung cancer].
abstract: CONCLUSIONS
  There is growing evidence that tumor markers can provide valuable diagnostic and prognostic information in patients with non-small cell lung cancer.Two of the most important markers are CEA and CYFRA 21-1.
  
  
  METHODS
  We present 70 patients, operated at our clinic between 01.07.2007 and 01.03.2008 (57 male, 81.4% and 13 female, 18.6%), age range: 46-75 years. Serum levels of the tumor markers were measured preoperatively.
  
  
  RESULTS
  We found elevated levels of CEA at 26 patients (37.1%), and elevated levels of CYFRA 21-1 at 48 patients (68.5%).
  
  
  CONCLUSIONS
  CYFRA21-1 is a valuable tumor marker in patients with lung cancer. It has better sensitivity and diagnostic value in comparison with CEA in patients with non-small cell lung cancer.
authors.forename: A
authors.initials: A
authors.lastname: Uchikov
authors.forename: I
authors.initials: I
authors.lastname: Dimitrov
authors.forename: D
authors.initials: D
authors.lastname: Terzieva
authors.forename: N
authors.initials: N
authors.lastname: Mateva
authors.forename: D
authors.initials: D
authors.lastname: Kuznanova
authors.forename: A
authors.initials: A
authors.lastname: Batashki
mesh_terms: D000368:Aged; D000951:Antigens, Neoplasm / Q000097:blood*; D002272:Carcinoembryonic Antigen / Q000097:blood*; D002289:Carcinoma, Non-Small-Cell Lung / Q000175:diagnosis* / Q000473:pathology; D005260:Female; D006801:Humans; D053539:Keratin-19 / Q000097:blood*; D008297:Male; D008875:Middle Aged; D009367:Neoplasm Staging
chemical_list: D000951:Antigens, Neoplasm; D002272:Carcinoembryonic Antigen; D053539:Keratin-19; C102012:antigen CYFRA21.1