Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged but unchanged . The aorta is unfolded . Mediastinal and hilar contours are similar with unchanged asymmetric enlargement of the right hilum . There is no pulmonary vascular congestion . Lungs are hyperinflated but clear without focal consolidation . Minimal fluid is seen within the fissures . No large pleural effusion or pneumothorax is otherwise demonstrated .
    OUTPUT:
    
No evidence of congestive heart failure or pneumonia .