Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs are hyperinflated with upper lung lucency suggestive of underlying emphysema . Mild hilar prominence suggests possibility of pulmonary hypertension . Please correlate clinically . No focal consolidation effusion or pneumothorax is seen . The heart size appears within normal limits . The bony structures appear normal .
    OUTPUT:
    
Probable emphysema with hilar vascular prominence suggestive of pulmonary arterial hypertension .