Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Patient 's arm projects over the anterior chest on the lateral view somewhat limiting evaluation . The lungs are clear without focal consolidation , effusion , pneumothorax . Cardiomediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No signs of pneumonia .