Table 1

Patient characteristics

No.
Total cases33
Sex
 Male18
 Female15
Age
 Mean63
 Range45–79
Size of lesiona (cm)
 1.5–1.98
 1.0–1.416
 <1.09
Cytologyb
 Negative33
  • a The size of lesion was determined by chest CT.

  • b Cytological examination was performed by bronchoscopy.