Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is top - normal to mildly enlarged . Mediastinal contours are unremarkable . No overt pulmonary edema is seen . No focal consolidation is seen . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Top - normal to mildly enlarged cardiac silhouette . No overt pulmonary edema . No definite focal consolidation .