Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low but clear . There is no focal consolidation or pneumothorax . There is no vascular congestion or pleural effusions . Mediastinal and hilar contours are within normal limits . The cardiac size is likely exaggerated due to low lung volumes , though is at least top - normal in size .
    OUTPUT:
    
1 . Top - normal heart size . 2 . No consolidation , edema or effusions .