Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are lower ; this explains the increase in the heart size which is moderately enlarged and the crowding of bronchovascular structure at the lung bases . A stent is seen in the right brachiocephalic artery . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
There are no acute cardiopulmonary findings .