Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is re - demonstrated . The mediastinal and hilar contours are unchanged . There is mild pulmonary vascular congestion without frank pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities identified .
    OUTPUT:
    
Mild pulmonary vascular congestion without frank pulmonary edema or pneumonia .