Table 1.

Clinical and Pathologic Details of the Patients and Specimens

Characteristics
Specimens	220 (100%)
Site
Lung	179 (81.4%)
Regional lymph nodes	24 (10.9%)
Pleura/pericardium/mediastinum	12 (5.5%)
Distant metastasis	5 (2.3%)
Brain	2 (0.9%)
Skin	1 (0.4%)
Bone	1 (0.4%)
Adrenal gland	1 (0.4%)
Type
Surgical resection	90 (40.9%)
Small histologic biopsy	64 (29.1%)
Cytologic biopsy	66 (30.0%)
Method
Histology	154 (70.0%)
Cytology	66 (30.0%)
Patients	220 (100%)
Sex
Male	167 (75.9%)
Female	53 (24.1%)
Diagnosis
Adenocarcinoma	151 (68.6%)
Squamous cell carcinoma	41 (18.6%)
NSCLC, NOS	26 (11.8%)
Other carcinomas	2 (1.0%)

NSCLC-NOS, non-small lung cancer-not otherwise specified.