Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . The lung volumes are low , with resultant crowding of the bronchovascular markings in the lung bases . There is mild elevation of the right hemidiaphragm . No pleural effusion or pneumothorax is detected . Mild pulmonary vascular congestion is present .
    OUTPUT:
    
Mild pulmonary vascular congestion . No pneumonia .