Table 1.

Subject characteristics

Characteristics	n (%)
Age
30–34 years	2 (1.6%)
35–39 years	6 (4.8%)
40–44 years	5 (4.0%)
45–49 years	6 (4.8%)
50–54 years	25 (20.2%)
55–59 years	28 (22.6%)
60–64 years	22 (17.7%)
65–69 years	10 (8.1%)
70–74 years	13 (10.5%)
75–79 years	6 (4.8%)
80–84 years	1 (0.8%)
Sex
Male	72 (58.1%)
Female	52 (41.9%)
Smoking status
Active Smoker	26 (21.0%)
Nonsmoker	64 (51.6%)
Ex-smoker	34 (27.4%)
Tissue origin
Open biopsy	5 (4.0%)
Core biopsy	18 (14.5%)
Bronchoalveolar lavage (BAL)	7 (5.6%)
Bronchial brushing	2 (1.6%)
FNAB lung	74 (59.7%)
FNAB cervical lymph node	4 (3.2%)
Pleural fluid cytology	14 (11.3%)
Diagnosis
Lung adenocarcinoma (right lung)	87 (70.2%)
Lung adenocarcinoma (left lung)	37 (29.8%)
Stage
IIA	2 (1.6%)
IIB	3 (2.4%)
IIIA	11 (8.9%)
IIIB	5 (4.0%)
IIIC	6 (4.8%)
IVA	83 (66.9%)
IVB	14 (11.3%)

FNAB fine-needle aspiration biopsy