Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Mediastinal contours , elevated , distorted left hilus , and cardiac silhouette are stable from ___ . Calcified pleural plaque adjacent the aortic arch again noted . No pneumothorax or pleural effusion . Elevation of the left hemidiaphragm and left chest wall thoracotomy is stable from ___ .
    OUTPUT:
    
No acute abnormality within the limits of plain radiography .