Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . The lungs are clear without focal consolidation , effusion , or pneumothorax . The heart is mildly enlarged . The mediastinal contour is normal . The imaged bony structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No evidence of pneumonia .