Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Slight prominence of the perihilar vasculature may be due to mild vascular congestion . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac silhouette is top normal . Mediastinal contours are unremarkable .
    OUTPUT:
    
Mild vascular congestion .