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 Indian J Med Microbiol  
 

Figure 2 (A and B): (A) Axial CT image of the right middle lobe of a 65-year-old nonsmoker (GOLD stage 3) residing in the vicinity of coal mines. CT shows significant decrease of lumen area. (B) Axial oblique reformatted image showing calculation of WA% which is significantly decreased

Figure 2 (A and B): (A) Axial CT image of the right middle lobe of a 65-year-old nonsmoker (GOLD stage 3) residing in the vicinity of coal mines. CT shows significant decrease of lumen area. (B) Axial oblique reformatted image showing calculation of WA% which is significantly decreased