1 MCQs in Medicine for NEET PG
A 58-year-old farmer presents with a 6-month history of progressive dyspnea, dry cough, and weight loss. He works daily in a hay barn with known water damage and mold growth. High-resolution CT chest shows centrilobular ground-glass nodules with mosaic attenuation and traction bronchiectasis. Pulmonary function testing reveals the pattern marked **B** in the diagram. Which of the following best explains the physiological abnormality shown in this pattern?
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