Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is top - normal to mildly enlarged . Mediastinal contours are stable . Focal linear opacity in the right mid lung in similar location of prior , likely linear atelectasis / scarring . No definite focal consolidation . No pleural effusion or pneumothorax .
    OUTPUT:
    
Top - normal to mildly enlarged cardiac silhouette without definite focal consolidation .