Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are submitted with no prior studies for comparison . The lungs are clear with no focal consolidation to suggest pneumonia . No nodules identified . The heart is top normal in size but no edema is evident . No bony abnormality is seen .
    OUTPUT:
    
Top normal heart size . No plain film evidence of pneumonia .