Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable allowing for differences in technique . Lung volumes are again low . There is no pleural effusion or pneumothorax . Vasculature is mildly prominent . The lungs appear otherwise clear . No free air is identified .
    OUTPUT:
    
Findings suggesting mild vascular congestion .