From: The predictive association between radiological findings and lung cancer development in patients exposed to sulfur mustard gas: 4 decades follow up of 719 victims
Presence
Absence
Max number of pathologies
Air trapping
265 (36.9%)
454 (63.1%)
18
Lung fibrosis
207 (28.8%)
512 (71.2%)
5
Bronchiectasis
151 (21.0%)
568 (79.0%)
Evidence of lung cancer
42 (5.8%)
677 (94.2%)
–