Table 2. Lung cancer characteristics and brain imaging results.

Characteristics	n	%
Final stage with brain imaging
IA	22	17.2
IB	10	7.8
IIA	3	2.3
IIB	8	6.3
IIIA	30	23.4
IIIB	13	10.2
IV	38	29.7
Incomplete	4	3.1
Histology
Adenocarcinoma	61	47.7
Squamous	40	31.3
Small cell	13	10.2
Other	14	10.9
Brain imaging
Brain metastasis	18	14
SVD	69	63.3†

^†, percent of patients with small vessel disease among patients who had initial brain imaging (n=109). SVD, small vessel disease.