Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . The heart is top - normal in size . The lungs appear clear . No pleural effusion or pneumothorax . Mediastinal contour is normal . Bony structures are intact . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
No evidence of pneumonia .