Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright view of the chest provided . Lungs are hyperinflated and clear . No focal consolidation , large effusion or pneumothorax . The cardiomediastinal silhouette is unchanged with a tortuous thoracic aorta again seen . Bony structures appear intact . Right shoulder prosthesis noted .
    OUTPUT:
    
No acute findings .