Table 1. Patient demographics and characteristics of the pulmonary lesions.

Characteristic	No. (%) (n=151)
Male sex	100 (66.2)
Age, yr	64.69±13.74
Lesion size, cm	3.68±1.92
Lesion location
LUL	32 (21.2)
LLL	29 (19.2)
RUL	42 (27.8)
RML	18 (11.9)
RLL	30 (19.9)
Type of lesion
Malignancy	87 (57.6)
Benign	64 (42.4)
Presence of cavity	29 (19.2)
Presence of bronchus sign	69 (45.7)
Exposed/unexposed	55/14
Distance from the pleura, cm	1.02±1.09

LUL: left upper lobe; LLL: left lower lobe; RUL: right upper lobe; RML: right middle lobe; RLL: right lower lobe.