Table 1 Telomerase activity and cytological examination results in subjects with lung cancer

Telomerase activity	Results of cytological examination of TFNB aspirates
Telomerase activity	NSCLC	SCLC	Atypical cells	Non-diagnostic*	All
Negative	14 (26.9)	0 (0)	1 (25)	8 (34.8)	23 (27.4)
Positive	38 (73.1)	4 (100)	4 (75)	15 (65.2)	61 (72.6)

TFNB, transthoracic fine needle biopsy; NSCLC, non-small cell lung cancer; SCLC, small cell lung cancer.
Values are presented as n (%).
*Mild atypia, necrotic, purulent, bronchial epithelial cells, granulocytes, erythrocytes, etc.