Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mild to moderately enlarged . Patchy calcification is noted along the aortic arch . The descending aortic contour is mildly tortuous . There is no pleural effusion or pneumothorax . There is peribronchial thickening particularly in the perihilar regions of each lung , but otherwise the lungs appear clear . There is no pleural effusion or pneumothorax . The bony structures are unremarkable .
    OUTPUT:
    
Areas of peribronchial cuffing which suggest an inflammatory or perhaps infectious process of lower airways , although there is no definite focal consolidation .