Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal . Mediastinal contours are unremarkable . Partially imaged is surgical hardware in the lumbar spine which is not well evaluated on this study .
    OUTPUT:
    
Top - normal cardiac silhouette . Otherwise , clear lungs .