title: [Clinical X-ray analysis for 20 atypical lung cancer].
abstract: OBJECTIVE
  To analyze clinical X-ray features of atypical lung cancer, expected to improve the diagnosis for atypical lung cancer.
  
  
  METHODS
  To collect 20 cases with lung cancer from Jan. 1987 to Jan. 2000, those patients were diagnosed as pneumonia infiltration tuberculosis or lymphoma by X-ray and CT scanning firstly. To analyse retrospectly theses cases and contrast with operation and pathology.
  
  
  RESULTS
  All patients were verified as lung cancer after following reexamine and by pathology.
  
  
  CONCLUSIONS
  The cases with sigle pathy shadow in the lung fields could not exclude lung cancer when they had hemoptysis or had no typical pneumoma signs.
authors.affiliation: Department of Radiology, Second Xiangya Hospital, Central South University, Changsha 410011, China.
authors.forename: S M
authors.initials: SM
authors.lastname: Tong
authors.forename: H
authors.initials: H
authors.lastname: Liu
authors.forename: L Z
authors.initials: LZ
authors.lastname: Xiao
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging; D000328:Adult; D000368:Aged; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D014057:Tomography, X-Ray Computed