Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA upright and lateral views of the chest were provided . Sternotomy hardware is noted . Clips are noted in the anterior mediastinal space . Underpenetrated technique limits evaluation of the lower lungs . Allowing for these limitations , the lungs appear clear . No convincing signs of free air below the right hemidiaphragm . No effusion or pneumothorax is seen . The cardiomediastinal silhouette appears normal . Imaged osseous structures appear intact .
    OUTPUT:
    
No acute findings in the chest .