Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lungs appear clear bilaterally without focal consolidation , large effusion or pneumothorax . No signs of congestion or edema . The heart is top - normal in size . Mediastinal contour is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Top normal heart size , otherwise unremarkable .