Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There is no pleural effusion or pneumothorax . There is a mild diffuse interstitial abnormality that appears new including fissural thickening suggesting mild vascular congestion . No free air is identified .
    OUTPUT:
    
Findings suggests mild vascular congestion .