Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The right hemidiaphragm remains elevated . The previously noted opacity in the left upper lung appears resolved . No consolidation concerning for pneumonia . No effusion or pneumothorax . Cardiomediastinal silhouette appears essentially stable . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings . Improved aeration in the left lung .