Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The lungs are clear and well expanded . No definite signs of pneumonia or CHF . There are slightly prominent bronchovascular markings along the left heart border with no corresponding double density on the lateral view to suggest a lingular pneumonia . No pleural effusion or pneumothorax . Cardiomediastinal silhouette appears normal . Bony structures appear intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No evidence of pneumonia .