Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . There is mild elevation of the left hemidiaphragm . The lungs are clear . No signs of pneumonia or CHF . No effusion or pneumothorax is seen . Cardiomediastinal silhouette appears normal . Bony structures are intact . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings in the chest . Left hemidiaphragm mildly elevated .