Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with the prior radiograph , lung volumes are low , accentuating the heart size and bronchovascular structures . Bronchial cuffing bilaterally may suggest underlying bronchitis . Lungs are otherwise clear , without pleural effusions , focal consolidation , or pneumothorax .
    OUTPUT:
    
Lower lung volumes causing crowding of the bronchovascular structures . Bronchial cuffing suggests bronchitis . No focal consolidation or pleural effusion .