Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Unchanged scarring in the left upper lung . No focal consolidation , pleural effusion or pneumothorax identified . There is however mild vascular congestion without frank pulmonary edema . The size the cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Mild vascular congestion without frank pulmonary edema . No focal consolidation .