Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size , mediastinal and hilar contours are normal . Lungs are well expanded and grossly clear . Bronchial wall thickening is present in the lower lobes , best visualized on the lateral view in the infrahilar region . There are no pleural effusions or acute skeletal findings .
    OUTPUT:
    
Bronchial wall thickening , which may reflect acute bronchitis given recent history of cough . No focal consolidation to suggest the presence of pneumonia .