From: Radiological surveillance of formerly asbestos-exposed power industry workers: rates and risk factors of benign changes on chest X-ray and MDCT
n
%
Chest X-ray
Any changes
422
13.8
Asbestosis
32
1.0
Plaques
242
7.9
Diffuse pleural thickening
180
5.9
No changes
2639
86.2
MDCT
118
60.2
40
20.4
112
57.1
78
39.8